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1991 Chevrolet Silverado 1500 Alarm Wiring Diagram

1991 Chevrolet Silverado 1500 Alarm Wires

Find the right alarm wire colors, locations, and polarity with this 1991 Chevrolet Silverado 1500 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
Ignition Positive Wire (+) Pink
Ignition Positive Wire Location Ignition Switch Harness
Second Ignition Positive Wire (+) White
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 (+) Brown
Second Accessory 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
Key Sense Wire Light Green
Key Sense Wire Location Ignition Switch Harness

1991 Chevrolet Silverado 1500 Alarm Sensor Wires

Find the right alarm sensor wire colors, locations, and polarity with this 1991 Chevrolet Silverado 1500 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 Light Switch Harness
Power Door Lock Positive Wire (+) Light Blue
Power Door Lock Positive Wire Location Above the Gas Pedal at the Factory Relays
Power Door Unlock Positive Wire (+) White
Power Door Unlock Positive Wire Location Above the Gas Pedal at the Factory Relays
Door Trigger Positive Wire (-) White
Door Trigger Positive Wire Location At Light Under the Dash
Dome Light Supervision Wire (-) N/A
Dome Light Supervision Wire Location N/A
Trunk Release Negative Wire (-) N/A
Trunk Release Negative Wire Location N/A
Sliding Power Door Wire N/A
Sliding Power Door Wire Location N/A
Horn Negative Wire (-) Black
Horn Negative Wire Location At Steering Column
Tachometer Wire Wire (-) White
Tachometer Wire Wire Location At Ignition Coil
Wait To Start Wire N/A
Wait To Start Location N/A
Brake Light Positive Wire (+) White
Brake Light Positive Wire Location At Brake Switch Above Brake Pedal
Factory Alarm Disarm Wire (-) N/A
Factory Alarm Disarm Wire Location N/A
Factory Anti-Theft System None
Factory Anti-Theft System Location None

Feel free to use any 1991 Chevrolet Silverado 1500 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 1991 Chevrolet Silverado 1500 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 1991 Chevrolet Silverado 1500.

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1 thought on “1991 Chevrolet Silverado 1500 Alarm Wiring Diagram”

  1. What can be done if this system malfunctions? I have a 1991 Chevrolet Silverado that malfunctioned and am still trying to get back on track. The vehicle cranks but won’t start, and the locks will not operate either way via key switch.

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