Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1989-1992 Ford Thunderbird . 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
BLACK/ORANGE (+)
@ IGNITION SWITCH HARNESS
STARTER
RED/LIGHT BLUE (+)
@ IGNITION SWITCH HARNESS
STARTER
2
N/A
IGNITION
1
RED/LIGHT GREEN (+)
@ IGNITION SWITCH HARNESS
IGNITION
2
BLACK/LIGHT GREEN (+)
@ IGNITION SWITCH HARNESS
IGNITION
3
N/A
ACCESSORY/HEATER
BLOWER 1
GRAY/YELLOW (+)
@ IGNITION SWITCH HARNESS
ACCESSORY/HEATER
BLOWER 2
N/A
KEYSENSE
N/A
PARKING
LIGHTS ( - )
N/A
PARKING
LIGHTS ( + )
BROWN (+)
@ HEADLIGHT SWITCH or at FUSEBOX
POWER LOCK
PINK/YELLOW (TYPE C), See NOTE #1
IN DRIVERS KICK PANEL
POWER UNLOCK
PINK/LIGHT GREEN (TYPE C), See NOTE #1
IN DRIVERS KICK PANEL
DOOR TRIGGER
BLACK/LIGHT BLUE (+)
@ UNDERDASH LIGHT
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER
TRUNK RELEASE
PURPLE/YELLOW (+)
@ TRUNK RELEASE SWITCH
SLIDING
POWER DOOR
N/A
HORN
YELLOW/LIGHT GREEN (-)
@ STEERING COLUMN HARNESS See NOTE **
TACH
DARK GREEN/YELLOW (AC)
@ IGNITON COIL
WAIT TO
START LIGHT
N/A
BRAKE
LIGHT GREEN (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY
ALARM DISARM
DARK GREEN/PURPLE (-)
IN EITHER KICK PANEL
ANTI-THEFT
N/A
EXTRA
INFORMATION
NOTE #1: If vehicle is equipped with FACTORY KEYLESS ENTRY, it is a TYPE "B" Door Locking
system, without factory keyless it is a TYPE "C" Door Locking system. Vehicles with
the KEY PAD on the Door are considered to have KEYLESS ENTRY.