Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1996-1997 Chevrolet Astro . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.
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 ( - )
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
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
EXTRA
INFORMATION
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 on the BCM.