Item Wire Color Polarity Wire Location Photo Note
12 Volts red/white (15A) + BCM left of steering column, black 25 pin plug, pin 1 Directwire
Second 12 Volts red/black (60A) + dash fuse box, black 40 pin plug (X1), pin F1 Directwire
Ground (chassis ground)
Starter Kill violet + starter or underhood fuse box, black 50 pin plug (X2), pin F1 or F5 Directwire
Second Starter pink/black (R Code) (see Tech Doc 1605) +9600 ohms ignition switch, black 6 pin plug, pin 5 Directwire
Ignition pink + ignition switch, black 6 pin plug, pin 2 Directwire
Accessory brown or yellow + ignition switch, black 6 pin plug, pin 3 Directwire Notes
Second Accessory (same as second starter) +6300 ohms
Keysense (same as second starter)
CAN Bus High tan/black data OBD-data link connector, black 16 pin plug, pin 6 Directwire
CAN Bus Low tan data OBD-data link connector, black 16 pin plug, pin 14 Directwire
CAN Bus SW dk. green data OBD-data link connector, black 16 pin plug, pin 1 Directwire
OBD 12 Volts red/white (20A) + OBD-data link connector, black 16 pin plug, pin 16
OBD Ground black - OBD-data link connector, black 16 pin plug, pin 4
OBD Connector Black Under Driver Dash, Above Brake Pedal Directwire
IMMO Data dk. green data Immobilizer Control Module on ignition switch, black 5 pin plug, pin 4 Directwire
IMMO Power red/white + Immobilizer Control Module on ignition switch, black 5 pin plug, pin 1 Directwire
Power Lock (use Directed interface module or see Tech Doc 1601) Directwire Notes
Power Unlock (see power lock)
Lock Motor gray 5 wire driver kick or dash fuse box, black 14 pin plug (X3), pin B4 Directwire
Driver Unlock Motor violet 5 wire driver window switch, brown 16 pin plug, pin 8 Directwire
Passenger Unlock Motor tan 5 wire driver kick or dash fuse box, black 14 pin plug (X3), pin B1 Directwire
Factory Alarm Arm (arms on lock with door open)
Factory Alarm Disarm lt. green (driver door key unlock) - driver window switch, brown 16 pin plug, pin 4 Directwire
Disarm No Unlock (Passkey and ignition)
Parking Lights brown (L); brown (R) + underhood fuse box, black 30 pin plug (X3), pins A7, F7
Parking Lights - lt. blue - BCM left of steering column, white 25 pin plug, pin 8 or headlight switch Directwire
Hazards white - hazard switch or BCM left of strng column, lt. green plug, pin 19 Directwire
Turn Signal (Left) lt. blue/white (F); yellow or yellow/black (R) + BCM left of steering column, brown plug, pins 4, 1 Directwire
Turn Signal (Right) dk. blue/white (F); dk. green or dk. green/wht (R) + BCM left of steering column, black plug, pin 5; brown plug, pin 2 Directwire
Headlight white - headlight switch or BCM left of strng column, white plug, pin 12 Directwire
AutoLights dk. green - (off) headlight switch or BCM, white plug, pin 17 Directwire
Reverse Light dk. blue + BCM left of steering column, white plug, pin 22 Directwire
Left Front Door Trigger gray/black (ajar); tan (open) - driver window switch, brown 16 pin plug, pins 13; 11 Directwire
Right Front Door Trigger black/white or tan/white - passenger window switch, brown 16 pin plug, pin 13 Directwire
Left Rear Door Trigger lt. blue/black - BCM left of steering column, pink plug, pin 15 Directwire
Right Rear Door Trigger lt. green/black - BCM left of steering column, pink plug, pin 14 Directwire
Dome Light gray + BCM left of steering column, white plug, pin 5 Directwire
Trunk/Hatch Pin pink/black - BCM left of steering column, pink plug, pin 12 Directwire Notes
Rear Glass Pin (same as trunk/hatch pin) Notes
Hood Pin pink/black - hood switch or BCM left of strng column, black plug, pin 17 Directwire
Trunk/Hatch Release gray (liftgate); pink (liftglass) (rear handle sw) - BCM left of steering column, pink plug, pins 13, 24 Directwire Notes
Trunk Release Motor lt. blue (liftgate) + passenger kick, harness to rear Directwire Notes
Tachometer NOT pink ac any fuel injector Directwire
Fuel Pump dk. green/white + ECM, black 73 pin plug (X1), pin 50 Notes
Rear Defroster violet reverse driver kick, harness to rear Directwire
Mirror Defroster orange or black (L); orange or black (R) + latched driver and passenger window switch, black 10 pin plug, pin 7 Directwire
Left Front Heated Seat dk. blue (back and cushion) - driver window switch, gray 14 pin plug, pin 6 Directwire
Right Front Heated Seat dk. blue (back and cushion) - passenger window switch, gray 14 pin plug, pin 6
Speed Sense dk. green/white (some models only) ac EBCM, blk 38 pin plug, pin 11 or 32 or radio, brn 16 pin plug, pin 5 Notes
Brake Wire lt. blue/white (functions with ignition on only) + brake switch or BCM left of strng column, brown plug, pin 6 Directwire
Parking Brake lt. blue - parking brake switch or BCM left of strng column, brown plug, pin 16 Directwire
Horn Trigger tan - horn switch or BCM left of strng column, brown plug, pin 18 Directwire
Wipers gray + BCM left of steering column, brown plug, pin 20 Directwire
Left Front Window (Up/Down) dk. blue - brown A driver window switch, black 6 pin plug, pins 3 - 1 Directwire Notes
Right Front Window (Up/Down) dk. blue - brown A passenger window switch, black 6 pin plug, pins 3 - 1 Directwire
Left Rear Window (Up/Down) dk. blue - brown A left rear window switch, black 8 pin plug, pins E - H
Right Rear Window (Up/Down) dk. blue - brown A right rear window switch, black 8 pin plug, pins E - H
Sun Roof (Open/Close) brown - orange or lt. blue (func with ign on only) - sunroof switch, black 8 pin plug, pins 6 - 4 Directwire
Memory Seat 1 orange +2260 ohms driver window switch, gray 14 pin plug, pin 5 Directwire
Memory Seat 2 (same as memory seat 1) +4260 ohms
Radio 12V red/white + radio, black 14 pin plug, pin 1
Radio Ground black - radio, black 14 pin plug, pin 8
Radio Ignition (low speed GMLAN)
Radio Illumination yellow (dimmer) + radio, black 14 pin plug, pin 7
Factory Amp Turn-on (same as power antenna) (some models only)
Power Antenna white + radio, black 14 pin plug, pin 6
Left Front Speaker (+/-) tan - gray or tan - dk. green +,- radio, black 14 pin plug, pins 2 - 9 Notes
Right Front Speaker (+/-) lt. green - dk. green or lt. green/white - org/blk +,- radio, black 14 pin plug, pins 3 - 10 Notes
Left Rear Speaker (+/-) brown - yellow or brown/white - brown +,- radio, black 16 pin plug, pins 5 - 13 Notes
Right Rear Speaker (+/-) dk. blue - lt. blue or dk. blue - tan +,- radio, black 16 pin plug, pins 6 - 14 Notes
Center Channel (+/-) dk. blue - orange (with surround) +,- radio, brown 16 pin plug, pins 3 - 11 Notes
Subwoofer (+/-) white - pink (with surround) +,- radio, brown 16 pin plug, pins 4 - 12 Notes
Aux. Audio Input Left (+/-) yellow - (bare wire) +,- radio, gray 16 pin plug, pins 1 - 9 Directwire Notes
Aux. Audio Input Right (+/-) white - (bare wire) +,- radio, gray 16 pin plug, pins 2 - 9
RSE Video (+/-) dk. green - white/black +,- radio, gray 16 pin plug, pins 7 - 15 Directwire Notes
RSE Audio Left (+/-) lt. blue - violet +,- radio, gray 16 pin plug, pins 3 - 11
RSE Audio Right (+/-) white - violet +,- radio, gray 16 pin plug, pins 4 - 11
Satellite Radio 12 Volts red/white + Sat Radio behind glove box, blk 16 pin plg, pin 16
Satellite Radio Ground black - Sat Radio behind glove box, blk 16 pin plg, pin 9
Satellite Radio Ignition (low speed GMLAN)
Satellite Radio Antenna (coaxial cable)
Satellite Audio Left (+/-) brown/white - tan/white +,- Satellite Radio, black 16 pin plug, pins 2 - 1
Satellite Audio Right (+/-) dk. green/white - gray +,- Satellite Radio, black 16 pin plug, pins 3 - 4
Item Size Depth Location
Headunit double DIN center of dash
Left Front Speaker 6.5 left front door
Right Front Speaker 6.5 right front door
Left Rear Speaker 5.25 left rear door
Right Rear Speaker 5.25 right rear door
Gary Sather