Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1997 -1998 Buick Century . 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
WHITE (+) or GREEN (+)
IGNITION SWITCH HARNESS
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 ( + )
LIGHT BLUE (+) See NOTE *1
@ HEADLIGHT SWITCH
POWER LOCK
RED/BLACK (Negative (-))
IN DRIVERS KICK PANEL
POWER UNLOCK
ORANGE/BLACK (Negative (-))
IN DRIVERS KICK PANEL
DOOR TRIGGER
DARK BLUE/WHITE (-)
IN DRIVERS KICK PANEL
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER Requires #R30-H Relay
TRUNK RELEASE
BROWN (-) Requires #R30-H Relay
@ RELAY BEHIND GLOVE BOX
SLIDING
POWER DOOR
N/A
HORN
BLACK (-)
@ STEERING COLUMN HARNESS
TACH
PURPLE/WHITE or WHITE
@ IGNITION CONTROL MODULE
WAIT TO
START LIGHT
N/A
BRAKE
WHITE (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY
ALARM DISARM
N/A
ANTI-THEFT
(2) WHITE wires in a ORANGE or BLACK heat shrunk tube in Steering column harness
GM's VATS System @ ignition switch tumbler
EXTRA
INFORMATION
SPECIAL NOTE!!!! 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.
NOTE *1 Use the Largest of the (2) LIGHT BLUE (+) PARKING LIGHT wires at the HEADLIGHT SWITCH.
