DIRECTWIRE™ WIRING INFORMATION - GMC / YUKON / 2003 / Remote Start

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12volts  red & red/white  +  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. Upper trim level vehicles may have a door lock switch on the right rear panel. If present use white (-) for lock and lt. blue (-) for unlock.
Power Unlock  see power lock    
Lock Motor  gray    driver door module in door
Unlock Motor  tan    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  -  steering column
Turn Signal(L)  green  +  steering column
Turn Signal(R)  lt. green  +  steering column
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  see notes  -  see notes
Notes: The driver door trigger is gray/black at the driver door module in the door. The RF door trigger is black/white at the passenger door module in the door. 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 four wires and diode isolate each.

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  pink/black  -  BCM, purple plug, pin A1
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.
Hood Pin  N/A    
Trunk/Hatch Release  N/A    
Power Sliding Door  N/A    
Factory Alarm Arm  arms with lock    
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. The tach wire is in the green plug, pin 10.

For tach can also go to any of the ignition coils or injectors and use the wire that is NOT pink, black, or brown.
Wait to start  N/A    
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  -  column 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  +  
Interface Module: Category:
Immobilizer Bypass
Required:
Yes
Type:
Passlock II
Part #: 556LW
Alternate Part1 #: 555T
Alternate Part2 #: DesignTech 20402
Alternate Part3 #: DesignTech 29402
Alternate Part4 #: 555LW
Notes: Not required if using the combo interface module.
The Passlock II wire colors are yellow, black (org/blk), and red/white (not used).
Interface Module: Category:
Door Lock Interface
Required:
Yes
Type:
Data Bus
Part #: 456G
Notes: Not required if using the combo interface module.
Interface Module: Category:
Combo Interface
Required:
Yes
Type:
Data Bus
Part #: 457GW
Notes:


warning      
This wiring information is being provided free of charge on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it using a digital multimeter.
Directed electronics, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. DEI assumes no liability or responsibility resulting from improper installation, even in reliance upon this information.