Printer Friendly Forum Posts - 2005 GMC Sierra Alarm/Remote Start Wiring

12volts	red (40A), red (40A)	+	ignition harness
Starter	yellow	+	ignition harness
Second Starter	N/A
Ignition	pink	+	ignition harness
Second Ignition	white	+	ignition harness
Notes: To avoid the check engine light from coming on and possible damage to the automatic transmission, the second ignition in this vehicle MUST be powered when adding a remote start system.
Third Ignition	N/A
Accessory	orange	+	ignition harness
Second Accessory	brown	+	ignition harness
Keysense	lt. green	-	ignition harness
Power Lock	use 457G or 456G module
Notes: If Directed module 457G or 456G is not available, refer to DirectFax document 1601. On base model trucks, the 457G or 456G is not necessary. Instead, the lock wire is lt. blue (-), pin B5, and the unlock wire is white (-), pin B10. They are in the lt. blue plug at the BCM.
Power Unlock	see power lock
Lock Motor	gray	5wi	driver door module in door
Unlock Motor	tan	5wi	driver door module in door
Parking Lights+	brown	+	driver kick panel
Parking Lights-	gray/black	-	switch or BCM, brown plug, pin B2
Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back.
Hazards	white	-	hazard switch
Turn Signal(L)	dk. green	+	turn signal switch
Turn Signal(R)	lt. green	+	turn signal switch
Reverse Light	lt. green	+	BCM, black plug, pin F
Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back.
Door Trigger	gray/blk (L), BLACK/ wht (R)	-	each door module in each door
Notes: On base model trucks, the door trigger wires are in the lt. blue plug at the BCM, pins B4 and A5. On 4dr trucks, the LR door trigger is lt. blue/black, pin A3, and the RR is lt. GREEN/ black, pin A2. They are in the purple plug at the BCM. Use all wires and diode isolate. The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back.
Dome Supervision	gray/black	+	BCM, black plug, pin E
Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back.
Trunk/Hatch Pin	N/A
Hood Pin	N/A
Trunk/Hatch Release	N/A
Power Sliding Door	N/A
Factory Alarm Arm	arms on lock with door open
Factory Alarm Disarm	lt. green	-	driver door module in door
Disarm No Unlock	see factory alarm disarm
Tachometer	white	ac	instrument cluster, pin A5 or PCM
Notes: The PCM (Powertrain Control Module) is in the left front of the engine compartment to the left of the fan shroud. On gas models, the tach wire is in the green plug, pin 10. On diesel models, the tach wire is in the gray plug, pin 37. On hybrid models, the tach wire is in the green plug, pin 35. For tach can also go to any of the ignition coils or fuel injectors and use the wire that is NOT pink, black, or brown.
Wait to start	dk. blue	-	instrument cluster, pin A2 or PCM
Notes: The PCM (Powertrain Control Module) is in the left front of the engine compartment to the left of the fan shroud. The wait to start wire is in the blue plug, pin 26.
Brake Wire	white	+	brake pedal switch
Parking Brake	lt. blue	-	switch or BCM, lt. blu plug, pin A7
Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back.
Horn Trigger	BLACK / YELLOW to black	-	switch or BCM, gray plug, pin B9
Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back.
Memory Seat 1	red	+	driver door module in door
Memory Seat 2	pink	+	driver door module in door
Memory Seat 3	N/A	+

Immobilizer Bypass Module:	Required: Yes	Type: Passlock 2	Part #: 457G, 555L, or 555T
Notes: The Passlock 2 wire colors are yellow, black, and RED / white (not used).