DIRECTWIRE™ WIRING INFORMATION - GMC / SIERRA / 2005 / Accessory

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12volts  red (40A), red (40A)  +  ignition harness
Ignition  pink  +  ignition harness
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.
Headlight  white  -  switch or BCM, lt. blu plug, pin A12
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 Release  N/A    
Power Sliding Door  N/A    
Speed Sense  dk. green/white  4K  instrument cluster, pin A4 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 VSS wire is in the green plug, pin 50.

On diesel models, the VSS wire is in the blue plug, pin 53.

Also found at the radio harness, on some models.
Wipers  pink (L), dk. blue/white (H)  +,-  windshield wiper switch
LF Window up/dn  dk. blue - brown  C  LF window switch in door
RF Window up/dn  dk. blue - brown  C  RF window switch in door
LR Window up/dn  dk. blue - brown  C  LR window switch in door
RR Window up/dn  dk. blue - brown  C  RR window switch in door
Sun Roof open/close  motor part of module    
Sun Roof Limit/close  N/A    
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, 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.