Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1987 -1993 Toyota Supra . 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
WHITE (+) and WHITE/RED (+)
IGNITION SWITCH HARNESS
STARTER
BLACK/WHITE (+)
IGNITION SWITCH HARNESS
STARTER
2
N/A
IGNITION
1
BLACK/YELLOW (+)
IGNITION SWITCH HARNESS
IGNITION
2
BLACK/ORANGE (+)
IGNITION SWITCH HARNESS
IGNITION
3
N/A
ACCESSORY/HEATER
BLOWER 1
PINK/BLUE (+)
IGNITION SWITCH HARNESS
ACCESSORY/HEATER
BLOWER 2
N/A
KEYSENSE
N/A
PARKING
LIGHTS ( - )
PINK (-)
@ STEERING COLUMN HARNESS
PARKING
LIGHTS ( + )
GREEN (+)
IN DRIVERS KICK PANEL
POWER LOCK
GREEN/YELLOW (Negative (-))
IN EITHER KICK PANEL
POWER UNLOCK
BLUE/BLACK (Negative (-))
IN EITHER KICK PANEL
DOOR TRIGGER
RED/WHITE (-)
IN DRIVERS KICK PANEL
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER, Requires Part #R30-H Relay
TRUNK RELEASE
N/A
SLIDING
POWER DOOR
N/A
HORN
BLUE/RED (-)
@ STEERING COLUMN HARNESS
TACH
BLACK (-)
@ CHECK CONNECTOR, See NOTE *1
WAIT TO
START LIGHT
N/A
BRAKE
GREEN/WHITE (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY
ALARM DISARM
PURPLE/YELLOW (-)
IN EITHER KICK PANEL
ANTI-THEFT
N/A
EXTRA
INFORMATION
NOTE *1 the CHECK Connector, is located at the FRONT of the DRIVERS Strut Tower, it is a Small Rectanglar plastic box. It is either BLACK, GRAY or GREEN and is marked DIAGNOSTIC.
