Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1990 -1991 Chevrolet Lumina . 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 (+) and RED/WHITE (+)
IGNITION SWITCH HARNESS
STARTER
YELLOW (+)
IGNITION SWITCH HARNESS
STARTER
2
N/A
IGNITION
1
PINK (+)
IGNITION SWITCH HARNESS
IGNITION
2
BLUE/WHITE (+)
IGNITION SWITCH HARNESS
IGNITION
3
N/A
ACCESSORY/HEATER
BLOWER 1
ORANGE (+)
IGNITION SWITCH HARNESS
ACCESSORY/HEATER
BLOWER 2
PURPLE/WHITE (+)
IGNITION SWITCH HARNESS
KEYSENSE
N/A
PARKING
LIGHTS ( - )
N/A
PARKING
LIGHTS ( + )
BROWN (+)
@ HEADLIGHT SWITCH
POWER LOCK
LIGHT BLUE (Positive (+))
IN EITHER KICK PANEL
POWER UNLOCK
BLACK (Positive (+))
IN EITHER KICK PANEL
DOOR TRIGGER
WHITE (-)
@ UNDER DASH LIGHT
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER, Requires #R30-H Relay
TRUNK RELEASE
BLACK (+), Requires #R30-H Relay
@ TRUNK RELEASE SWITCH
SLIDING
POWER DOOR
N/A
HORN
BLACK (-)
@ STEERING COLUMN HARNESS
TACH
WHITE
@ COIL PACK, front of Engine
WAIT TO
START LIGHT
N/A
BRAKE
WHITE (+) or GREEN (+)
@ SWITCH ABOVE BRAKE PEDAL See NOTE *1
FACTORY
ALARM DISARM
N/A
ANTI-THEFT
N/A
EXTRA
INFORMATION
NOTE *1 the BRAKE wire is very hard to get to at the brake switch, the best place to catch this wire is at the harness in the Passenger kick panel that is heading to the rear of the vehicle, it is a DARK GREEN (+) wire in this harness.