Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1989-1990 Cadillac Seville . 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 (+)
IN PASSENGER KICK PANEL
POWER LOCK
LIGHT BLUE (TYPE A)
IN DRIVERS KICK PANEL
POWER UNLOCK
BLACK (TYPE A)
IN DRIVERS KICK PANEL
DOOR TRIGGER
WHITE (-)
@ DOOR PIN SWITCH
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER, (Requires #775 Relay)
TRUNK RELEASE
BLACK (+)
IN PASSENGER KICK PANEL
SLIDING
POWER DOOR
N/A
HORN
BLACK (-)
@ STEERING COLUMN HARNESS
TACH
WHITE (AC)
@ IGNITION COIL or DISTRIBUTOR
WAIT TO
START LIGHT
N/A
BRAKE
LIGHT BLUE (+) or WHITE (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY
ALARM DISARM
LIGHT GREEN (-)
IN EITHER KICK PANEL
ANTI-THEFT
2 WHITE or 1 WHITE and 1 PURPLE, wires are in an ORANGE tube
@ Ignition Switch
EXTRA
INFORMATION
NOTE #1: If vehicle is equipped with PASSKEY/VATS, Ignition Key will have a little Chip
on the Steel Shaft of the Key that can be seen. Requires 791 Bypass Module
for Remote starting
to order go to the SECURITY BYPASS MODULE Page on this website.
.