PRINT
CHEVROLET ASTRO
MODEL YEAR(S
ASTRO 1996-1997
KEY T-HARNESS IMMOBILIZER
N/A N/A N/A
PART COLOR LOCATION DIAGRAM
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 ( - ) N/A
PARKING LIGHTS ( + ) BROWN (+) @ HEADLIGHT SWITCH
POWER LOCK LIGHT BLUE (TYPE A) IN DRIVERS DOOR HARNESS
POWER UNLOCK WHITE (TYPE A) IN DRIVERS DOOR HARNESS
LOCK MOTOR WIRE N/A
DOOR TRIGGER PURPLE (-) @ HEADLIGHT SWITCH
DOMELIGHT SUPERVISION PURPLE (-), (Requires #775 relay) @ HEADLIGHT SWITCH
TRUNK RELEASE GREEN (-) @ HATCH RELEASE SWITCH
SLIDING POWER DOOR N/A
HORN BLACK (-) @ STEERING COLUMN HARNESS
TACH WHITE (AC) @ ECM, See NOTE #1
WAIT TO START LIGHT N/A
BRAKE WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM N/A
ANTI-THEFT N/A
NOTES
NOTE #1: The ECM (Electronic Control Module) is located on the DRIVERS SIDE of the ENGINE

COMPARTMENT, behind the BATTERY. The WHITE TACH wire will be located in a BLACK plug labeled "WHITE".
LINK 1 LINK TEXT 1 LINK 2 LINK TEXT 2