(I-00146) 1036605 High Idle Duramax LLY

(I-00146) 1036605 High Idle Duramax LLY
15 October 2015
(1036605) 2004-05 GMC Duramax (LLY) High Idle Kit (I-00146)
GMC Duramax (LLY) High Idle Kit
Note: Only for automatic transmissions with cruise control
1036605
2004-2005 GMC Duramax
U
PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLATION
BD ENGINE BRAKE, INC.
Plant Address: A10-33733 King Rd, Abbotsford, BC, Canada V2S 7M9
US Shipping Address: 88-446 Harrison St, Sumas, WA 98295 US Mailing Address: PO Box 231, Sumas, WA 98295
Phone: 604-853-6096 Fax: 604-853-8749 Internet: www.bd-power.com
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15 October 2015
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(1036605) 2004-05 GMC Duramax (LLY) High Idle Kit (I-00146)
KIT CONTENTS
Please check to make sure that you have all the parts listed in this kit before you start.
1036605 High Idle Kit
15356827
Wiring Harness
Spare LLY ECM Terminal
Qty: 1
Qty: 1
1330155
1300131
Medium Tie Wrap
Qty: 6
1/4” Loom
Qty: 90”
1300337
1003332
Mini Fuse Tapper
Qty: 1
Switch Decal
Qty: 1
BD ENGINE BRAKE, INC.
Plant Address: A10-33733 King Rd, Abbotsford, BC, Canada V2S 7M9
US Shipping Address: 88-446 Harrison St, Sumas, WA 98295 US Mailing Address: PO Box 231, Sumas, WA 98295
Phone: 604-853-6096 Fax: 604-853-8749 Internet: www.bd-power.com
15 October 2015
3
(1036605) 2004-05 GMC Duramax (LLY) High Idle Kit (I-00146)
Tools Required
 Drill with stepper drill bit
 Utility Knife
 Small flat screwdriver or pick
 7mm &10mm Sockets
 Ratchet with extension
Introduction
This high idle kit allows the operator to enable the high idle programming within the
Duramax ECM. In conjunction with the cruise control switches, the operator may select
different RPMs for fast idle.
This kit is perfect for faster warm ups, extended idling and PTO applications.
INSTALLATION
VEHICLE SHOULD
INSTALLATION.
BE
SAFELY
SECURED
BEFORE
Disconnect both batteries for
safety.
Remove trim surrounding
instrument cluster by gently pulling
out the clips. This may be eased by
tilting the steering wheel
downwards and moving the shift
lever from park to 1st.
Remove fuse cover from end of
dash. Remove knee bolster by
removing the two 7mm screws
along bottom edge, and then pull
knee bolster outwards. Use care not
to damage the clips.
Position toggle switch near the
desired location keeping sufficient
wire slack. Feed the wires below the
dash.
BD ENGINE BRAKE, INC.
Plant Address: A10-33733 King Rd, Abbotsford, BC, Canada V2S 7M9
US Shipping Address: 88-446 Harrison St, Sumas, WA 98295 US Mailing Address: PO Box 231, Sumas, WA 98295
Phone: 604-853-6096 Fax: 604-853-8749 Internet: www.bd-power.com
15 October 2015
(1036605) 2004-05 GMC Duramax (LLY) High Idle Kit (I-00146)
4
Remove the cruise control fuse
from the in cabin fuse panel and
install fuse tapper. Reinstall fuse
with tapper on the right side of the
fuse
(towards the rear of the vehicle).
Route the red wire to the fuse box
and connect to the fuse tapper
Route the black wire to the head of
a bolt below the dash to serve as a
ground. Remove the bolt using a
10MM socket and ratchet, install
ring terminal and reinstall the bolt.
Locate suitable pass through location on firewall. Suggested location is alongside the
smaller wiring harness passing through the firewall, this is located towards the passenger
side of the brake booster assembly. Cut a small slit in the rubber boot using a utility knife
for the wire to pass through. Alternatively, if other wires are already fed through the main
wiring harness connector below the brake booster, this route may be used instead.
Feed the yellow wire from the switch through the firewall. Use care not to damage the pin
while being pushed or fished through the rubber grommet as it is fragile. If the grommet
being utilized is tight, do not damage the pin, either enlarge the hole or cut the wire and
rejoin it afterwards.
BD ENGINE BRAKE, INC.
Plant Address: A10-33733 King Rd, Abbotsford, BC, Canada V2S 7M9
US Shipping Address: 88-446 Harrison St, Sumas, WA 98295 US Mailing Address: PO Box 231, Sumas, WA 98295
Phone: 604-853-6096 Fax: 604-853-8749 Internet: www.bd-power.com
15 October 2015
(1036605) 2004-05 GMC Duramax (LLY) High Idle Kit (I-00146)
5
Locate the ECM on the driver’s side
of the vehicle below the battery.
Disconnect the lowest of the three
connectors from the ECM by
releasing the locking handle.
Rotate the connector so that you can remove the back plastic protective backing. Use a
small pick of small screwdriver to do this.
Using a small screwdriver or pick,
remove the plastic blank from pin
number 6.
Insert the yellow wire from the BD
high idle kit into pin number 6.
One spare terminal has been
supplied with this kit incase the
terminal is damaged during
installation. Discard if not needed.
(PN: 15356827)
View the connector from the ECM side and ensure the pin is fully seated by comparing
to adjacent pins. Lightly tug on the wire to ensure it is fully seated and locked.
Reinstall the back plastic cover on the back side of the connector. Reinstall connector
into ECM.
Install supplied wire loom over the high idle kit wire from the ECM to the firewall. Secure
with supplied tie wraps at the connector to reduce strain on the wire.
BD ENGINE BRAKE, INC.
Plant Address: A10-33733 King Rd, Abbotsford, BC, Canada V2S 7M9
US Shipping Address: 88-446 Harrison St, Sumas, WA 98295 US Mailing Address: PO Box 231, Sumas, WA 98295
Phone: 604-853-6096 Fax: 604-853-8749 Internet: www.bd-power.com
15 October 2015
(1036605) 2004-05 GMC Duramax (LLY) High Idle Kit (I-00146)
6
Using remaining wire loom, cover
the under dash wiring and secure it
out of the way.
Drill hole in desired dash panel for
switch using stepper bit. Ensure
chosen location has sufficient room
behind it for the switch body.
Install switch through hole. Reinstall
knee bolster, fuse panel cover, and
bezel surrounding the instrument
cluster.
Reconnect vehicle batteries. Test for correct operation.
Operation
The 2004-2005 Duramax has three high idle speeds available, 800 rpm, 1200 rpm and
1800 rpm. To operate the high idle, the engine must be running, transmission in park, foot
off of the brake and parking brake set. Turn the toggle switch on to start high idle. The
engine will now increase from its normal idle speed to 800 rpm. To access the higher
speeds, turn on the cruise control and press either SET or RESUME/ACCELERATE.
Pressing SET (button on the end of the stalk) will yield 1200 rpm, pressing RESUME (one
click past the on position) will yield 1900 rpm. To stop the high idle, simply turn the toggle
switch back off.
Do not leave the high idle switch on while driving.
The idle speeds may be adjusted using a Tech2 factory scan tool. The above engine
speeds are the default values and will suffice for normal extended idling, high idle and PTO
applications.
BD ENGINE BRAKE, INC.
Plant Address: A10-33733 King Rd, Abbotsford, BC, Canada V2S 7M9
US Shipping Address: 88-446 Harrison St, Sumas, WA 98295 US Mailing Address: PO Box 231, Sumas, WA 98295
Phone: 604-853-6096 Fax: 604-853-8749 Internet: www.bd-power.com
15 October 2015
(1036605) 2004-05 GMC Duramax (LLY) High Idle Kit (I-00146)
Troubleshooting
7
Using test light, verify the fuse that has been tapped has switched
ignition power.
Toggle Switch Not
Illuminated When On
Check ground ring terminal connection.
Verify toggle switch wiring is correct.
Toggle switch lamp burnt out.
Ensure toggle switch is lit, indicating it is powered.
Ensure the pin inserted into the ECM is fully inserted and has not
backed out.
High Idle Does not
Function
Ensure brake lights are operating normally and brake pedal is not
pressed.
Ensure parking brake light in the instrument cluster is on when
parking brake pressed, indicating the park brake switch works.
Ensure PRNDL display does show P when transmission is in
park.
If you have any technical difficulties, concerns, comments, or complaints,
please phone our Technical Support hotline at (800) 887-5030 between
8:30am-5:00pm PST (Pacific Standard Time) Monday to Friday.
BD ENGINE BRAKE, INC.
Plant Address: A10-33733 King Rd, Abbotsford, BC, Canada V2S 7M9
US Shipping Address: 88-446 Harrison St, Sumas, WA 98295 US Mailing Address: PO Box 231, Sumas, WA 98295
Phone: 604-853-6096 Fax: 604-853-8749 Internet: www.bd-power.com
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