1998 Buick LeSabre Auto Security Wire Diagram
Battery Constant 12v+ Positive Wire (+): Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness
Starter Positive Wire (+): Yellow
Starter Positive Wire Location: Ignition Switch Harness
Second Starter Positive Wire (+): N/A
Second Starter Positive Wire Location: N/A
Ignition Positive Wire (+): Pink
Ignition Positive Wire Location: Ignition Switch Harness
Second Ignition Positive Wire (+): N/A
Second Ignition Positive Wire Location: N/A
Third Ignition Positive Wire (+): N/A
Third Ignition Positive Wire Location: N/A
Accessory Positive Wire (+): Orange
Accessory Positive Wire Location: Ignition Switch Harness
Second Accessory Positive Wire (+): N/A
Second Accessory Positive Wire Location: N/A
Key Sense Wire: N/A
Key Sense Wire Location: N/A
Parking Light Negative Wire (-): Gray/Black (Not On All Models)
Parking Light Negative Wire Location: At Headlight Switch
Parking Light Positive Wire (+): Brown
Parking Light Positive Wire Location: Low In Drivers Kick Panel
Power Door Lock Negative Wire (-): Red/Black
Power Door Lock Negative Wire Location: In Either Door Boot
Power Door Unlock Negative Wire (-): Orange/Black
Power Door Unlock Negative Wire Location: In Either Door Boot
Door Trigger Negative Wire (-): Tan And Dark Blue (Use Both Wires).
Door Trigger Negative Wire Location: The tan (-) is for the driver door located in the driver door harness. The dark blue (-) is for all other doors and is located low in the drivers kick panel. When connecting to an alarm system use both wires and diode isolate.
Dome Light Supervision Wire (-): Light Green/Black
Dome Light Supervision Wire Location: At BCM. The BCM is located behind the glove box, with the plugs facing down.
Trunk Release Positive Wire (+): Black/White (Requires Relay)
Trunk Release Positive Wire Location: Low In Drivers Kick Panel
Sliding Power Door Wire: N/A
Sliding Power Door Wire Location: N/A
Horn Negative Wire (-): Black
Horn Negative Wire Location: At Steering Column Harness
Tachometer Wire Negative Wire (-): Purple/White or White
Tachometer Wire Negative Wire Location: At Ignition Control Module
Wait To Start Wire: N/A
Wait To Start Location: N/A
Brake Light Positive Wire (+): Light Blue Or White
Brake Light Positive Wire Location: At Switch Above Brake Pedal
Factory Alarm Disarm Wire (-): Light Green
Factory Alarm Disarm Wire Location: In Drivers Door Harness
Factory Anti-Theft System: 2 White Wires Or 1 White And 1 Purple Or Purple/White In An Orange Or Black Tube In Running Down Steering Column
Factory Anti-Theft System Location: GM Vats System At Ignition Switch
The 1998 Buick LeSabre alarm wire color information above is updated as it is submitted by the Modified Life community.