Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1987-1988 Volkswagen Scirocco . 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 (+)
IGNTION SWITCH HARNESS
STARTER
RED/BLACK (+)
IGNITION SWITCH HARNESS
STARTER
2
N/A
IGNITION
1
BLACK (+)
IGNITION SWITCH HARNESS
IGNITION
2
N/A
IGNITION
3
N/A
ACCESSORY/HEATER
BLOWER 1
BLACK/YELLOW (+)
IGNITION SWITCH HARNESS
ACCESSORY/HEATER
BLOWER 2
N/A
KEYSENSE
N/A
PARKING
LIGHTS ( - )
N/A
PARKING
LIGHTS ( + )
GRAY (+) or GRAY/GREEN (+)
@ HEADLIGHT SWITCH
POWER LOCK
ADD ACTUATOR, See NOTE *1
TO DRIVERS DOOR ONLY, See DIAGRAM
POWER UNLOCK
ADD ACTUATOR, See NOTE *1
TO DRIVERS DOOR ONLY, See DIAGRAM
DOOR TRIGGER
BROWN/WHITE (-)
@ EITHER DOOR PIN SWITCH
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER
TRUNK RELEASE
N/A
SLIDING
POWER DOOR
N/A
HORN
BROWN/BLUE (-)
@ STEERING COLUMN HARNESS
TACH
GREEN
@ IGNITION COIL
WAIT TO
START LIGHT
N/A
BRAKE
RED/BLACK (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY
ALARM DISARM
N/A
ANTI-THEFT
N/A
EXTRA
INFORMATION
NOTE *1 the POWER DOOR LOCKING SYSTEM on this vehicle, uses a CENTRAL DOOR LOCKING SYSTEM and that requires a DOOR LOCK ACTUATOR PART #742 to be placed inside the DRIVERS DOOR to operate as a KEYLESS ENTRY SYSTEM, to connect, See DIAGRAM.