Guardian Universal Personal Mobility Lift Interlock

Guardian Universal Personal Mobility Lift Interlock
An ISO 9001:2008 Registered Company
Guardian Universal Personal Mobility Lift Interlock
GRD401-AR
Installation Instructions
Note: For proper installation, you must have a shop manual or wiring diagram for the specific
make, model and year of the vehicle on which the installation is to occur. You must properly
identify the following circuits:
1. Parking brake switch and circuit. The parking brake switch must provide a ground signal only
when the parking brake is applied.
2. Vehicle start/crank circuit. You must verify, with an ammeter, that this circuit does not draw
more than 9 Amps while cranking the engine. If it draws more than 9 Amps, an external relay
must be added – See Addendum.
3. A fuse protected 12V ignition source. This source must provide voltage in run and start key
positions only.
If you cannot locate these circuits, or if they do not meet the criteria outlined above, do not attempt
installation. If you have identified the proper circuits and they do meet the above criteria, proceed with
the installation as outlined below.
GUARDIAN MODULE - Remove the lower dash panel below the steering column. The Guardian
Module should be positioned behind the metal knee bolster bracket below the steering column. It can be
secured using self tapping screws, adhesive foam tape, or wire ties. Do not secure the module until all
harnesses are installed and proper lift operation has been verified.
LED DISPLAY PANEL – This harness can be identified by the blue tape
near the 6-pin connector. Locate a suitable position on the dashboard, within
clear view of the driver, for the mounting of the LED Display Panel. The
length of the display harness is 40”. This is the maximum distance the display
can be from the Guardian module. Drill a ¾” hole in the dashboard where you
wish the center of the display to be. Snap the blue taped end of the LED
display harness into the Guardian Module in the connector labeled in blue
“Display”. Run the other end of the harness under the dash and out through
the ¾” hole. Snap the other end of the LED display harness into the LED Display Panel. Ensure panel is
level, and secure using the supplied screws.
------------------------------------------------------------------------------------------------------------------------------------------------------Intermotive Inc.
Phone: (530) 823-1048
www.intermotive.net
11395 New Airport Rd. Ste A
Fax: (530) 823-1516
product@intermotive.net
Auburn, CA 95602
Guardian 401-AR-01
LIFT HARNESS – This harness can be identified by the green tape near the 6pin connector. Attach the appropriate wheelchair lift adapter to the lift harness,
then attach adapter to the wheelchair lift. Run the lift harness from the
wheelchair lift to the Guardian Module. Finally, snap the green taped end of the
Lift Harness into the Guardian connector labeled in green “Lift”.
Before continuing installation, the following check must be performed:
Verify that the vehicle ignition is off and the lift is fully stowed for at least 5
minutes. This will ensure the Guardian module is in sleep mode. Attempt to deploy
the wheelchair lift. Both the red and green indicators on the LED Display Panel
should briefly illuminate as a prove-out after the module wakes up. If they do not,
check to make sure each harness is connected to the proper Guardian Module
connector as outlined in the above steps. Only proceed to the next step if the
indicators illuminate. Otherwise, damage can occur to the module.
VEHICLE 1 HARNESS – This harness can be identified by the orange tape near the 6-pin connector.
Locate the parking brake switch circuit on the vehicle. Verify that it provides a ground signal only when
the parking brake is applied. In a convenient location, cut this circuit. Strip back about ½” of the
insulation on each cut side. You will connect the brown wire on the vehicle 1 harness in series with this
circuit. The arrow on this harness must point towards the parking brake switch. If this harness is
installed backwards, the unit will not function properly. These connections must be made using solder
and the supplied heat shrink tubing. The heat shrink tubing can be cut to 1”
lengths for this purpose. Do not use butt connectors for these connections! The
use of butt connectors in this circuit will void the InterMotive warranty.
Finally, snap the vehicle 1 Harness into the Guardian Module connector labeled in
orange “Vehicle 1”.
VEHICLE 2 HARNESS – Attach the red wire to a fuse protected ignition 12V source. This type of circuit
can typically be located near the fuse block. It is imperative that this circuit provides 12V in both run and start
and only run and start key positions, or improper operation will occur. Ensure that you solder and heat shrink this
connection. Locate the vehicle start/crank circuit. This is typically found near the ignition switch. In a
convenient location, cut this circuit. Attach an ammeter in series with this cut circuit and verify that the current
draw does not exceed 9 amps while cranking the engine or damage to the Guardian module can occur. Attach the
yellow wire to the cut wire coming from the ignition switch. Attach the blue wire to the cut wire going to the
starter relay. Both connections must be made using solder and the supplied heat shrink tubing. Do not use butt
connectors for these connections! The use of butt connectors in these circuits will void the InterMotive
warranty.
Finally, snap the vehicle 2 Harness into the Guardian Module connector labeled in
white “Vehicle 2”.
Secure the Guardian Module in its final location and test for proper operation.
(See Post Installation Check List).
------------------------------------------------------------------------------------------------------------------------------------------------------Intermotive Inc.
Phone: (530) 823-1048
www.intermotive.net
11395 New Airport Rd. Ste A
Fax: (530) 823-1516
product@intermotive.net
Auburn, CA 95602
Guardian 401-AR-01
An ISO 9001:2008 Registered Company
Addendum
Guardian Universal Personal Mobility Lift Interlock
GRD401-A / 402-A / 701-A / 702-A
Start/Crank Relay Installation
(Only install if Start/Crank circuit draws more than 9 amps.)
(Relay with Diode not included with Interlock kit.)
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Blue wire from the
Guardian Module
Yellow wire from the Guardian
Module and the cut wire coming
from the ignition switch
Digikey# PB682-ND
Relay with Diode
Ground source
Cut wire going to
the starter circuit
------------------------------------------------------------------------------------------------------------------------------------------------------Intermotive Inc.
Phone: (530) 823-1048
www.intermotive.net
11395 New Airport Rd. Ste A
Fax: (530) 823-1516
product@intermotive.net
Auburn, CA 95602
Guardian 401-AR-01
An ISO 9001:2008 Registered Company
Guardian Universal Personal Mobility Lift Interlock
GRD401-AR
Post Installation Check List
The following checks must be made after installation of the InterMotive Guardian GRD401 to
ensure correct and safe operation of the lift. If any of the checks do not pass, do not deliver the
vehicle. Recheck all connections as per the installation instructions.
1. Turn the ignition on. Apply the parking brake. Attempt to deploy the lift. The lift must not
deploy. Verify that the LED’s prove out. After prove out, only the two lower LED’s should
remain illuminated. These LED’s are backlit icons that will be illuminated anytime the module is
not in sleep mode.
2. Turn off the ignition. Release the parking brake. Attempt to deploy the lift. The lift must not
deploy.
3. With the ignition still off, apply the parking brake. The green lift power LED should illuminate.
Attempt to deploy the lift. The lift should now deploy.
4. With the lift deployed, the red lift-not-stowed LED will illuminate. Attempt to start the engine.
The engine must not crank.
5. Stow the lift. The red LED should turn off. Attempt to start the engine. The engine should now
start and the green LED should now turn off. Attempt to deploy the lift with the engine running.
The lift must not deploy.
6. Turn off the ignition. Verify that the module goes into sleep mode after approximately five
minutes. The module is in sleep mode when all LED’s on the display are not illuminated.
7. Attempt to deploy the lift. The module should prove out all LED’s and the green lift power LED
should remain illuminated. The lift should now deploy.
8. Stow the lift.
9. Installation is complete.
------------------------------------------------------------------------------------------------------------------------------------------------------Intermotive Inc.
Phone: (530) 823-1048
www.intermotive.net
11395 New Airport Rd. Ste A
Fax: (530) 823-1516
product@intermotive.net
Auburn, CA 95602
Guardian 401-AR-01
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