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1998 GMC Yukon Car Alarm Wiring Diagram

1998 GMC Yukon Alarm Wires

Find the right alarm wire colors, locations, and polarity with this 1998 GMC Yukon alarm wiring diagram. This will help you install your car alarm wiring correctly.

Application Wire Color and Location
Battery Constant 12v+ Positive Wire (+) Red
Battery Constant 12v+ Positive Wire Location Ignition Switch Harness
Starter Positive Wire (+) Yellow Or Purple
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 (+) White (This wire must be connected as ignition #2 for remote starting.)
Second Ignition Positive Wire Location Ignition Switch Harness
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

1998 GMC Yukon Alarm Sensor Wires

Find the right alarm sensor wire colors, locations, and polarity with this 1998 GMC Yukon alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.

Application Wire Color and Location
Parking Light Negative Wire (-) N/A
Parking Light Negative Wire Location N/A
Parking Light Positive Wire (+) Brown
Parking Light Positive Wire Location At Headlight Switch
Power Door Lock Negative Wire (-) Light Blue (5 Wire Reverse Polarity). If vehicle is a 2-door, door locks are a (Type C) if vehicle is a 4-door, door locks are a (Type A).
Power Door Lock Negative Wire Location In Either Door Harness
Power Door Unlock Negative Wire (-) White (5 Wire Reverse Polarity). If vehicle is a 2-door, door locks are a (Type C) if vehicle is a 4-door, door locks are a (Type A).
Power Door Unlock Negative Wire Location In Either Door Harness
Door Trigger Negative Wire (-) Purple
Door Trigger Negative Wire Location At Headlight Switch
Dome Light Supervision Wire (-) White (Requires Relay)
Dome Light Supervision Wire Location At Under Dash Light
Trunk Release Negative Wire (-) Black Or Black/White (If vehicle has a lift gate, it is a (+) positive hatch release, if vehicle has a cargo door, it is a 5-wire system, will also require an extra relay). Requires Relay
Trunk Release Negative 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 (-) White
Tachometer Wire Negative Wire Location At ECM Module (The ECM (engine control module) is located on the drivers side inner fender. The tachometer wire is in a black plug that is labeled white.)
Wait To Start Wire (-) Dark Blue (When hooking up a remote starter, if you cannot get the (+) or (-) wait to start wire on the remote starter to work properly, you will then need to disconnect this wire and program the remote starter for the 5, 10, 15 or 20 second wait to start timer in the installation manual.)
Wait To Start Location At Instrument Cluster
Brake Light Positive Wire (+) White
Brake Light Positive Wire Location At Switch Above Brake Pedal
Factory Alarm Disarm Wire (-) N/A
Factory Alarm Disarm Wire Location N/A
Factory Anti-Theft System Yellow (+), Orange/Black (-) and Red/White (Not Used).
Factory Anti-Theft System Location GM Passlock 2 System. These Wires Exit The Ignition Switch Tumbler Together And Are In The Main Ignition Switch Harness In The Column.

Feel free to use any 1998 GMC Yukon alarm wiring diagram that is listed here but keep in mind that all information here is provided as is without any warranty of any kind. Use of this 1998 GMC Yukon car alarm wire chart is at your own risk. Always verify all wires, wire colors and connection points before applying any information found here to your 1998 GMC Yukon.

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