Chevrolet  Astro 1991-1993
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED (+)   @ IGNITION SWITCH HARNESS
 STARTER  YELLOW (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  PINK (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  ORANGE (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )    
 PARKING LIGHTS ( + )  BROWN (+)  @ HEADLIGHT SWITCH
 POWER LOCK  LIGHT BLUE (TYPE A)  IN PASSENGER KICK PANEL
 POWER UNLOCK  BLACK/WHITE (TYPE A)  IN PASSENGER KICK PANEL
 DOOR TRIGGER  BLACK/ORANGE (-)  IN DRIVERS KICK PANEL
 DOMELIGHT SUPERVISION  BLACK/ORANGE (-), (Requires #775 relay)  IN DRIVERS KICK PANEL
 TRUNK RELEASE  RED (+)  @ HATCH RELEASE SWITCH
 SLIDING POWER DOOR  N/A  
 HORN  BLACK (-)  @ STEERING COLUMN HARNESS
 TACH  WHITE or PURPLE/WHITE (AC)  @ IGNITION COIL or DISTRIBUTOR
 WAIT TO START LIGHT  N/A  
 BRAKE  WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   N/A  
 ANTI-THEFT  N/A  
 EXTRA INFORMATION