owner`s manual #888 - Lippert Components
(For steps with Control Units 909510000 and steps without Control Units)
Electric Steps
OWNER'S MANUAL #888
Rev: 12.08.2016
Page 1
Kwikee Electric Steps #888 Owner's Manual
TABLE OF CONTENTS
Identification Information
Motor Assembly Drawing and Parts Key Numbers
Introduction
Steps With Control Unit
Steps Without Control Unit
Operation
Step With Control Unit - (Normal Operation/Automatic Mode)
Step With Control Unit - (Step Lock Function/Stationary Extended Mode)
Steps Without Control Unit
Maintenance
Lubrication
Maintanance In Salt Environment
Adjusting the Cam Stops
General Service Notes
Troubleshooting and Testing Procedures
Testing the Step
Auto Extend
Van Steps
Testing the Motor
Testing the 4-Way Connector
Notes
2
3
4
4
4
5
5
5
6
6
6
6
7
8
9
9
10
10
12
12
14
Identification Information
To determine replacement parts, refer to the chart for your Series Step.
Chart 1
Replacement Parts Kits for Series Steps22, 23, 28A*, 30, 32, 33, 34, 35, 36, 38, and 40
Parts Key #
Replacement Kit Part #
Description
1
1101428
Motor and screws 214
2
905205000
Cotter and Clevis Pin
3
1101425
Grear/Linkage 'A' Curved
9080**000
Step Frame Only
**insert 2 digit Step Series number
909004000
Step Light
Replacement Parts Kits for Series Steps 28, 31, 37 and 39 as shown in Chart 1 except for the following:
Parts Key #
Replacement Kit Part #
Description
4
1101426
Gear/Linkage 'B' Straight
Replacement Parts Kits for Series Steps 26 As shown in Chart 1 except for the following:
Parts Key #
Replacement Kit Part #
Description
5
1101427
Gear/Linkage 'C' Straight
Replacement Parts Kits for Series Steps 24 and 25 AS shown in Chart 1 except for the following:
Parts Key #
Replacement Kit Part #
Description
6
3380050
Link/Assembly 24 / 25
7
Rev: 12.08.2016
3392152
Motor Table 24 / 25
Page 2
Kwikee Electric Steps #888 Owner's Manual
Replacement Parts All Step Series
Door Switches
Replacement
Description
Part #
(Black, Open)
Magnetic, small
905323000
rectangular
3/4" Core round
905324000
Magnetic, large
905326000
rectangular
Magnetic, 3/8" core round
905327000
Plated plunger switch
905328000
Control
Replacement
Description
Part #
Control with step lockout
909510000
Rocker Style Power Switch
Replacement
Description
Part #
For all fully automatic
905305000
steps
Self-Center Rocker Switch
Replacement
Description
Part #
Steps not equipped with
905316000
control unit
Motor Assembly Drawing and Parts Key Numbers
1
2
3
4
5
6
7
Fill Out and Save with Vehicle Records
In the event that servicing the step becomes necessary, the information that you supply below will improve
service response time. The Step Series number, Serial number, and Control Unit numbers are on the
identification labels attached to the control unit and the underside of the step, near the motor. Please take a
moment to record this information:
Step Serial #:
Step Series #
Year/Make
Model of RV
Date of
Purchase
Control Unit Complete the following only if your step is equipped with Control Unit.
Control Unit
Control Unit #
Serial #
Replacement part numbers for steps equipped with older style motor/gear box are available online at
www.lci1.com/support.
Rev: 12.08.2016
Page 3
Kwikee Electric Steps #888 Owner's Manual
Introduction
Step control wiring is only to be used for step and step light (provided with
the step) functions. Do not splice, cut or tap into any of the step wiring.
Failure to heed this warning may result in voiding the warranty and/or failure
of step control, which may result in loss of step function or fire in the step
control. Refer any questions to the step manufacturer.
Follow the instructions in this manual carefully. Failure to do so may result
in damage to the step control, the motor and/or the vehicle wiring. Such
damage may also result in voiding the warranty.
Step safely supports up to 300 lbs.
DO NOT OVERLOAD THE STEP ASSEMBLY.
Follow the instructions in this manual carefully. Failure to do so may result
in damage to the step control, the motor and/or the vehicle wiring. Such
damage may also result in voiding the warranty.
Steps With Control Unit
This manual has been provided to assist you with the identification, operation, maintenance, and
troubleshooting of the Kwikee electric step equipped for use with a step lockout switch, control unit and
permanent magnet motor. This manual does not apply and should not be used as a reference to previous
versions of a Kwikee electric step.
The control unit is essentially a current sensor as well as a switching device. When the motor assembly
moves the step tread to its extended position, or stops moving because of an obstruction such as a curb or
the binding of a damaged or bent step frame, the motor draws a larger amount of current. The control unit
"senses" the larger current draw and shuts off the power to the motor.
All control units are equipped with an ignition override system. This system is designed so that the vehicle
will not be driven with the step in the extended position. When the step is locked in the extended position,
the door closed, and the ignition is turned on, the ignition override system will engage and the step will
automatically retract.
Refer to vehicle OEM owner’s manual (or OEM Requirements) which will provide switch position of “on” or
“off” for the step lock position.
The Auto Extend feature is another safety feature designed to extend the step when the door is opened for
the first time after the vehicle ignition is turned off, regardless of the position of the step switch.
Some van steps use door switch-only operation. When the door is opened the step extends and the step
retracts when the door is closed.
Steps Without Control Unit
This manual has been provided to assist you with the identification, operation, maintenance, and
troubleshooting of the Kwikee electric step equipped with a self-centering rocker switch. This manual does
not apply and should not be used as a reference to previous versions of a Kwikee electric step.
Rev: 12.08.2016
Page 4
Kwikee Electric Steps #888 Owner's Manual
Note: Updated new Control Units are equipped with an ignition override system designed to prevent the
vehicle from being driven with the step in the extended position. When the step is locked in the
extended position, the door is closed, and the ignition is turned on, the ignition override system
will engage and the step will automatically retract.
Note: Refer to vehicle OEM owner’s manual (or OEM Requirements) which will provide the switch position
of “on” or “off” for the step lock position. The step cannot be locked in the retracted position.
Operation
If the vehicle is driven with the step in the extended position, there is the
possibility of causing major damage to both the step and the vehicle.
Stepping on a partially extended step can cause damage to the step frame.
Wait until the step is fully extended before stepping on it.
Do not hold the switch in for longer than it takes to either extend or retract
the step or damage to the motor will result.
Always be sure that the step is fully retracted before traveling. If the step is
left extended and strikes an obstruction while the vehicle is moving, major
damage to both the step and the vehicle could result.
Step With Control Unit - (Normal Operation/Automatic Mode)
1.
2.
3.
After the installation is complete and with the entrance door open, place the step switch in the
position indicated in the OEM Owner’s Manual (or OEM requirements) for the step to extend when the
door is opened and retract when the door is closed (step follows the door).
Close the door. The step should retract and lock in the "up" position.
Open the door. The step should extend and lock in the "down" position with the under-step light
illuminated.
Note: The under-step light operation is as follows:
• The light is "on" when the step is extended.
• The light is "off" when the step is retracted.
• In the event the coach door / screen door is left open, the light will turn off after 5 minutes
• The under-step light is not available on all step models.
Step With Control Unit - (Step Lock Function/Stationary Extended Mode)
1.
2.
If your step is equipped with a step switch, and you would like the step to remain in the extended
position while the door is opened and closed, place the step switch in the position indicated in the
OEM Owner’s Manual (or OEM requirements). The step should remain in the extended position with
the under-step light off when the door is closed.
With the step switch in the appropriate step lock position, the step extended, and the entrance door
closed, turn the vehicle ignition on. The ignition override system will go into effect and the step will
automatically retract.
Note: If the yellow wire from the four-way connector is not connected to an ignition power source, the
ignition safety system will be inoperative and the step will remain in the extended position. In this
case, the step lock switch MUST be placed in the Automatic Mode position for the step to retract.
Rev: 12.08.2016
Page 5
Kwikee Electric Steps #888 Owner's Manual
3.
Turn the vehicle ignition off and open the door. The step will extend and lock in the "down" position.
This is the "Auto Extend" feature. When the vehicle ignition is turned on, the step will always activate
with the door movement, regardless of the step switch position.
Note: If the yellow wire from the four-way connector is not connected to an ignition power source, the
ignition will not cause the step to retract if the step lock switch is placed in the Automatic Mode
position, regardless of the door position.
Steps Without Control Unit
1.
2.
To extend the step, push and hold the bottom half of the rocker switch. Make sure the step is
completely extended and locked in position before releasing the switch.
Push and hold the top of the rocker switch to retract the step. Be sure the step is completely retracted
and locked in position before releasing the switch
Note: The extend/retract function will be reversed if the red and yellow terminal connections are reversed
or the step is equipped with a reverse-driven motor assembly (such as on the 37 and 42 series
steps).
Maintenance
Lubrication
Clean all mud, salt, and road grime from the step before lubricating. Lubricate all moving parts (bearings,
pivot points, slides, clevis pin, and drive linkage ball) every 30 days with a good quality moisture and heat
resistant penetrating grease. KwikLube™ Spray Grease is specially formulated to lubricate Kwikee Electric
Steps and is recommended for lubricating all moving parts. Refer to the figures below for lubrication
locations.
Note: Silicone lubricants and WD-40 are not recommended as they have a tendency to evaporate and dry
the mating surfaces which leave them vulnerable to the elements.
Note: Figures are to be used for general reference purposes only. Some may not pertain to your particular
step model.
1.
2.
3.
4.
Square shaft bearing - lubricate around the outside and under head of bearing (Fig. 1 and 3).
On step models equipped with plastic cover, this cover will have to be removed to lubricate center
bearings. Lubricate bearings under cover every 90 days (Fig. 4).
Lubricate around the bushing-in-bushings (Fig. 4).
Maintain clean, dry electrical connections at the two-way and four-way connectors and any butt
connections leading from the four-connector to the vehicle. A small dab of di-electric grease at the
connections and replacing corroded butt connections with heat shrink type crimp style automotive
connectors will help maintain a good electrical source for the step.
Maintanance In Salt Environment
To maintain step finish when step is exposed to a salt environment for extended periods of time, routinely
spray with fresh water.
Fig. 1
Rev: 12.08.2016
Fig. 2
Fig. 3
Page 6
Fig. 4
Kwikee Electric Steps #888 Owner's Manual
KwikLube™ is a unique aerosol grease that
has hundreds of automotive, household, and
industrial uses in addition to lubricating Kwikee
Electric Steps.
Fig. 5
KwikLube™ sprays on (and into) places that
are hard to reach. Then it changes from a
penetrating fluid to a tough, protective grease
in a matter of minutes.
Fig. 6
The cured KwikLube™ film is impervious to
moisture and can withstand temperatures
above 400° F (204° C). This formulation also
contains additives to prevent rust and reduce
wear.
Ask your local RV Dealer for KwikLube™
Fig. 7
Adjusting the Cam Stops
24, 25, 27, 28A*, 32, 34, 35, 36, 38, and 40 Series Steps
Kwikee steps are fitted with adjustable cam stops on the step frame that help lock the step in the "out"
position, creating a firm stepping platform. The cam is adjusted at the factory but may fall out of adjustment
and need to be tightened due to the rigors of shipping, installation, and normal use.
When the cam stops are out of adjustment, the step may feel loose or
"mushy" when stepped on. If the cam stops are not properly adjusted the
step may not extend fully to the locked-out position. Using a step with loose
or out-of-adjustment cam stops may cause damage to the motor assembly
and/or the drive linkage.
When working under the step, be sure that the step cannot be activated and
that nothing can get caught in the step mechanism.
Keep hands, feet, and clothing away from the step when extending and
retracting. Failure to do so may result in personal injury.
The cam stops are located under the step top on the 28A*, 32, 36, and 38 Series Steps, and on the bottom
tread side rail on the 24, 25, 27, and 40 Series Steps. There is one stop on each side of the step.
1. Loosen the stops so they move freely and retract the step.
2. Extend the step fully to its locked extended position (Fig. 8). Be sure that the motor assembly linkage
rests against the gear case as illustrated in (Fig. 8). Repeat if needed until the motor assembly locks in
the extended position.
3. Push the stops against the leg and tighten securely (Fig. 9). Be sure that both stops are tightened and
that they rest securely against the leg.
Rev: 12.08.2016
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Kwikee Electric Steps #888 Owner's Manual
4.
5.
Retract and fully extend the step. Check the motor assembly to be sure that it is locked all the way out,
and that both stops are secure against the legs. Repeat the above procedures if needed to properly
adjust the stops.
Push on the front edge of the step tread. If the step seems loose, repeat the above procedures. The
stops may not be properly adjusted so that they rest tightly against the leg.
Note: *28A is Step Part Number 902829XXX
Fig. 9
Fig. 8
Gearbox and motor assembly.
Nylock
Nut
Stop location and assembly
Gear
Case
Linkage
Tread side rail
Push securely
against leg
Step top
These surfaces
must be in contact
for the step to be
fully extended.
Push securely
against leg
General Service Notes
If the power wire to the step is disconnected from its source and reconnected, a spark is common. This
is caused by the momentary charging of the control unit and does not necessarily indicate the system is
staying on, which would cause a drain on the battery.
To determine if a control unit is not shutting off, remove the four-way connector to the chassis and the twoway connector between the step motor and the control unit. Place a voltmeter between the red and yellow
motor wires at the two-way connector from the control unit. Reconnect the four-way Connector. Refer to
OEM Owner’s Manual (or OEM requirements) and place the step switch in the appropriate position for the
step to remain in the extended position. If any voltage registers on the meter for more than 5 seconds, the
control unit is not shutting off and may be defective. When doing this test, switch the voltmeter leads back
and forth between the red and yellow motor wires to be sure no voltage registers.
If any voltage registers for more than 5 seconds, disconnect the four-way connector to keep the step motor
from overheating. If zero voltage is present, the control unit has shut off and is normal.
If the step does not work or operates erratically (for example, extends part way and shuts off) the first item
to check is the vehicle battery. Low supply voltage may cause erratic operation of the step. Poor ground
connections may also cause erratic operation of the step. Check battery voltage and condition. A battery in
good condition and properly charged will have a no load voltage or approx. 12.6 volts. Check the voltage
at the battery and at the four-way connector at the control unit. Insure that all battery and step control
Rev: 12.08.2016
Page 8
Kwikee Electric Steps #888 Owner's Manual
unit connections are clean and secure. Recharge or replace the battery as necessary and retest the step for
proper operation.
The step may also operate erratically if it is operating directly from a converter and the converter output
is not adequate or properly filtered for clean DC voltage. The converter MUST be capable of producing a
minimum of 30 amps for proper step operation.
The step will not function if the ground to the control unit is lost between the step control unit and the
vehicle chassis (the long green ground wire) or between the vehicle battery and the ground (negative
battery cable). Make sure the battery terminals and all wire connections are clean and tight. Verify that all
wires meet the minimum requirements specified in Figures 10, 11, 12 and 13 on Page 11.
Troubleshooting and Testing Procedures
The step test procedures on page 9 and 10 are provided to troubleshoot and test all Kwikee automatic
electric step functions. The procedures are designed to initially check the basic functions of the step
separately from the RV wiring to determine whether or not the step is malfunctioning. The procedures test
various components of the step until the source of the malfunction is located. Using the procedures will
shorten and reduce the time spent troubleshooting.
•
•
•
Some portions of the test procedures require additional equipment. This equipment includes:
Voltmeter
Well charged 12V DC automotive battery
4-way connector/pigtail (Part #909306000, available from Kwikee)
Read the entire procedure prior to testing.
12 volt automotive batteries contain sulfuric acid which can cause severe
burns. Avoid contact with the skin, eyes, and clothing. 12 volt automotive
batteries produce hydrogen gas which is explosive. Keep cigarettes, open
flames, and sparks away from the battery at all times.
Do not allow the battery terminals to come in contact with the step.
Keep fingers, arms, and legs clear of step mechanism while performing these
tests. Failure to do so may result in personal injury.
Note: Be sure that all ground connections are securely fastened with good metal-to-metal contact. A good
ground is required for proper step operation.
Testing the Step
1.
2.
3.
4.
Inspect the step for visible damage that might restrict step operation.
Obtain a 4-way pigtail connector (part #909306000) from Kwikee.
Disconnect 4-way connector on underside of step and connect the step-half of the connector to the
four-way connector pigtail. See Figures 10, 11, 12 and 13 on Page 11.
Set a fully charged 12V DC automotive battery beside the step.
Note: Do not allow the battery terminals to come in contact with the step.
5.
Complete a ground for the step tests by connecting a 10 gauge wire from the negative (-) battery post
to the green ground wire of the control unit.
Rev: 12.08.2016
Page 9
Kwikee Electric Steps #888 Owner's Manual
6.
To supply power, attach the red wire from the pigtail to the battery’s positive (+) post. The step will
extend.
7. With the power and ground connections complete, all functions of the control unit can be checked
at the four wires of the pigtail. The brown wire is the door switch, the white wire is the step lockout
switch, and the yellow wire is the ignition override.
8. To retract the step, touch the brown wire to the negative (-) terminal.
9. To extend the step, remove the brown wire from the negative (-) terminal.
10. To test the ignition override feature, extend the step as in Step 8. With the step extended, connect
the white wire to the positive (+) terminal and attach the brown wire to the negative (-) terminal.
Next, touch the yellow wire to the battery’s positive (+) terminal. The step should retract. Remove the
brown wire and the step should extend.
11. If any of the step functions do not work, the source of the malfunction is either in the control unit and/
or the motor. Proceed to the “Testing the Motor” section on Page 12.
If all of the step functions do work, the malfunction is either in the door switch, step lockout switch, or the
vehicle wiring. Proceed to “Testing the 4-way Connector” section on Page 12.
Auto Extend
1.
2.
3.
To test the “Auto Extend” feature, touch the brown wire to the negative (-) terminal to retract the step.
While holding the brown wire to the negative (-) terminal, remove the yellow from the positive (+)
terminal. Touch the white wire to the positive (+) terminal. The step will stay retracted.
Now, remove the brown wire and the step should extend.
Next touch the brown wire to the negative (-) terminal. The step should stay extended.
Van Steps
If the van step is equipped with a splash cover, remove the cover to access motor assembly and control unit.
If step is locked in retracted (up) position and the plastic cover can not be removed, disassemble the step
tread to access the plastic cover.
To disassemble the tread, remove the (8) 1/4-20 x 1” long hex head bolts in tread side rails (connects tread
and sliding blocks to side rail). This allows the tread to drop out of the way and the plastic cover to be
accessible.
Reassemble the tread after removing the cover. Reinstall the cover after testing procedures and any
necessary repairs are complete. Fully extend the step to reinstall the cover. Be sure that the four-way
connector exits the notch in the plastic cover when reassembling.
Step control wiring is only to be used for step and step light (provided with
the step) functions. Do not splice or tap into any of the step wiring. Failure
to heed this warning may result in failure of step control, which may result
in loss of step function or fire in the step control. Refer any questions to the
step manufacturer.
Rev: 12.08.2016
Page 10
Kwikee Electric Steps #888 Owner's Manual
Fig. 10
Wiring diagram for step with control unit
Understep light
(not available on
all step models)
Motor
assembly
Step Wiring
12 AWG green
ground to step top
12 AWG green ground wire
must be securely attached to
the chassis for step to operate
Two-way
connector
Fuse block
IMPORTANT:
The yellow wire must go to a
terminal marked IGN (ignition)
or to another terminal that is hot
when the ignition is turned on.
16 AWG purple
optional step light switch
may be connected to porch
light switch (see Inset 10A)
Control unit
(black)
Fig. 11
Four-way
connector
5-6 amp maximum fuse or
circuit breaker required
16 AWG
16 AWG
12 AWG
16 AWG
brown
yellow
red
white
Vehicle Wiring
RV porch light switch. If you choose to do this, a
5 amp maximum fuse or circuit breaker is required
and can be installed in either of two locations
Page 8as
shown in the wiring diagram below.
Chassis ground
20-25 amp fuse or
curcuit breaker required
Normally OPEN
magnetic door switch
Chassis
ground
Battery
disconnect
box/switch
IMPORTANT:
If the switch is
'OFF' the step
will not
operate.
12
v
ba olt D
tte C
ry
Wiring step light to porch light
switch: Understep light can be wired directly to the
Step
Switch
Porch light switch
Fuse location
1 amp max
or circuit breaker required
(not supplied)
Butt connector
To Battery
5-6 amp maximum fuse or
circuit breaker (not supplied)
Step Light
Porch light
Alternate
Battery disconnect fuse location
box/switch
IMPORTANT: If the
switch is 'OFF' the
light will not operate.
Control Unit
Purple wire
from Control Unit
Fig. 13
Fig. 12
Wiring diagram for steps without
control unit
Wiring diagram for steps with door switch only operation
Understep light
(not available on
all step models)
Motor
assembly
12 AWG green
ground to step top
Step Wiring
Rocker
Switch
10 gauge to
chassis ground
Two-way
connector
12 AWG green ground wire
must be securely attached to
the chassis for step to operate
Control unit
(black)
25 amp
in-line
fuse
10 gauge
minimum
Automotive connectors
(not supplied)
16 gauge red
16 AWG purple
optional step light switch
may be connected to porch
light switch (see Inset 10A)
16 gauge yellow
Four-way
connector
12
bavolt D
tte C
ry
16 AWG brown
12 AWG red
Two-way
connector
Vehicle Wiring
Chassis ground
20-25 amp fuse or
curcuit breaker required
12
v
ba olt D
tte C
ry
Rev: 12.08.2016
Motor
assembly
Normally OPEN
magnetic door switch
Chassis
ground
Battery
disconnect
box/switch
IMPORTANT:
If the switch is
'OFF' the step
will not
operate.
Page 11
Kwikee Electric Steps #888 Owner's Manual
Do not leave the wires connected during this test once the step has cycled
either in or out. Failure to remove the wires from the battery will burn out
the motor voiding any warranty.
Testing the Motor
1.
Disconnect the two-way connector between the step motor and the control unit. Connect the motor’s
red wire to the positive (+) terminal of the battery and touch the motor’s yellow wire to the negative
(-) terminal of the battery to extend the step. To retract the step, reverse the connections. If the step
extends and retracts during this test, the condition of the step motor is good.
Note: On steps with reverse polarity plug (Part #1800711) reverse the red and yellow wire connections to
perform the previous test.
Testing the 4-Way Connector
1.
To check the main power source, connect a voltmeter between the red wire from the 4-way connector
(vehicle half) and the ground terminal at the end of the control unit’s green ground wire (Fig. 14). The
reading should be a minimum of 12 volts DC.
If the voltage reading is low, there may be a loose or corroded connection at the battery, a low charge level
on the battery itself, or a poor ground. If the voltage reading is zero (0) volts, check the step fuse/circuit
breaker, all connections, and the condition of the wiring between the battery and the plug, including the
ground connection at the chassis.
2. To check the step switch, connect a voltmeter between the white wire from the 4-way connector
(vehicle half) and the terminal at the end of the control unit’s green ground wire (Fig. 15). The reading
should be a minimum of 12 volts DC (the same as in Step 12) with the switch in one position, and zero
(0) volts DC with the switch in opposite position.
Note: Refer to vehicle OEM owner’s manual (or OEM Requirements) which will provide the switch position
of “on” or “off” for the step lock position.
If the voltmeter reads twelve (12) volts when the step switch is in the Automatic Mode position, there is a
problem in the step switch circuit.
Check the 6 amp in-line fuse, the step switch itself and the condition of the circuit’s wiring and terminal
connections.
3. To check the door switch, connect a voltmeter between the red wire from the 4-way connector (vehicle
half) and the brown in the same connector (Fig. 16). The voltage should be a minimum of 12 volts DC
(the same as in step 12) when the door is closed and zero (0) volts when the door is open.
If the readings are incorrect, there is a problem with the switch. Check the door switch and the condition of
the circuit’s wiring and terminal connections.
Fig. 14
Fig. 15
Step Switch
Main Power Source
4-way connector
(vehicle-side)
Red
4-way connector
(vehicle-side)
N
Rev: 12.08.2016
White
Ground wire: green ground wire
must be attached to vehicle
chassis; a good ground is needed
for proper step operation
Ground wire: green ground wire
must be attached to vehicle
chassis; a good ground is needed
for proper step operation
Voltmeter should
read 12 volts DC
Fig. 16
Door Switch
O
Voltmeter should read
0 volts DC / step
switch Automatic Mode or
12 volts DC / step
switch Lock Position.
Page 12
4-way connector
(vehicle-side)
Red
Brown
Voltmeter should read
12 volts DC when door
is closed
Voltmeter should read
0 volts DC when door
is open
Kwikee Electric Steps #888 Owner's Manual
4.
To check the ignition override system, connect a voltmeter between the yellow wire from the 4-way
connector (vehicle half) and the ground terminal on the end of the control unit’s green ground wire
(Fig. 17). The voltage reading should be approximately 12 volts DC when ignition is on and zero (0)
volts when ignition is off.
If the reading is zero when the ignition is on, check all terminal connections, wiring, and the vehicle’s
ignition fuse.
Note: The step wiring circuit MUST be independent. No other device (i.e. alarm systems, step well lights,
etc.) can be connected to the step wiring circuit. Any device connected to the step wiring can
cause the step to malfunction and will void the warranty.
5.
For steps equipped with door switch only operation: Connect the white jumper wire from the vehicle
half of the four-way connector and the ground terminal at the end of the control unit’s green ground
wire (Fig. 18).
Note: Be sure to use the terminal with only the white wire.
The reading should be zero (0) volts DC. If the voltage reading is more, the white wire is connected to 12
volts and should be cut.
Fig. 17
4-way connector
(vehicle-side)
Fig. 18
4-way connector
(vehicle-side)
Yellow
Brown
Ground wire: green ground wire
must be attached to vehicle
chassis; a good ground is needed
for proper step operation
Ground wire: green ground wire
must be attached to vehicle
chassis; a good ground is needed
for proper step operation
Voltmeter should read
12 volts DC / ignition 'on'
0 volts DC / ignition 'off'
Rev: 12.08.2016
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Page 13
Voltmeter should
read zero (0) volts DC
Kwikee Electric Steps #888 Owner's Manual
Notes
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Rev: 12.08.2016
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Kwikee Electric Steps #888 Owner's Manual
Notes
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Rev: 12.08.2016
Page 15
Kwikee Electric Steps #888 Owner's Manual
The contents of this manual are proprietary and copyright protected by Lippert Components, Inc. (“LCI”). LCI prohibits the copying or dissemination of portions of this manual unless prior written consent from an
authorized LCI representative has been provided. Any unauthorized use shall void any applicable warranty. The information contained in this manual is subject to change without notice and at the sole discretion of LCI. Revised editions are available for free download from
.
Please recycle all obsolete materials.
For all concerns or questions, please contact
Lippert Components, Inc.
Ph: (574) 537-8900 | Web: lci1.com | Email: customerservice@lci1.com
Rev: 12.08.2016
Page 16
Kwikee Electric Steps #888 Owner's Manual
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