Gmc  Sonoma 1995-1997
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED (+)   @ IGNITION SWITCH HARNESS
 STARTER  PURPLE (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  PINK (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  PINK/WHITE (+) or WHITE (+), See NOTE #1  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  ORANGE (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  N/A  
 PARKING LIGHTS ( + )  BROWN (+)  @ HEADLIGHT SWITCH or in DRIVERS KICK PANEL
 POWER LOCK  LIGHT BLUE (TYPE C), See NOTE #2  IN DRIVERS KICK PANEL
 POWER UNLOCK  WHITE (TYPE C), See NOTE #2  IN DRIVERS KICK PANEL
 DOOR TRIGGER  WHITE (-) or BLACK (-), See NOTE #3  
 DOMELIGHT SUPERVISION  USE DOOR TRIGGER, (Requires Part #775 Relay)  
 TRUNK RELEASE  N/A  
 SLIDING POWER DOOR  N/A  
 HORN  BLACK (-)  @ STEERING COLUMN HARNESS
 TACH  WHITE (AC)  @ IGNITION COIL
 WAIT TO START LIGHT  N/A  
 BRAKE  WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   N/A  
 ANTI-THEFT  N/A  
 EXTRA INFORMATION
 NOTE #1: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE STARTING!!!!!! NOTE #2: If vehicle is EQUIPPED with FACTORY KEYLESS ENTRY it is a TYPE "A" door locking system, if vehicle is without FACTORY KEYLESS it is a TYPE "C" door locking system.The KEYLESS ENTRY MODULE is mounted to the UNDER DASH PANEL on the driver side of the vehicle. NOTE #3: Use the WHITE (-) wire at a Pin switch or Courtsey light if Non-Keyless, use the same wire for DOMELIGHT SUPERVISION on this vehicle, and on Keyless Entry vehicles use the BLACK (-) wire in the BLUE plug at the KEYLESS ENTRY MODULE located under the drivers dash panel on the drivers side of vehicle. For DOMELIGHT SUPERVISION use the WHITE (-) wire in the BLACK plug.