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2004 Chevrolet Astro Car Alarm Wire Chart

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2004 Chevrolet Astro Alarm Wires

Find the right alarm wire colors, locations, and polarity with this 2004 Chevrolet Astro alarm wiring diagram. This will help you install your car alarm wiring correctly.

Application Wire Color and Location
Battery Constant 12v+ Positive Wire (+) Red and Red/White
Battery Constant 12v+ Positive Wire Location Ignition Switch Harness
Starter Positive Wire (+) Yellow
Starter Positive Wire Location Ignition Switch Harness
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
Accessory Positive Wire (+) Orange
Accessory Positive Wire Location Ignition Switch Harness
Second Accessory Positive Wire (+) Brown
Second Accessory Positive Wire Location Ignition Switch Harness

2004 Chevrolet Astro Alarm Sensor Wires

Find the right alarm sensor wire colors, locations, and polarity with this 2004 Chevrolet Astro alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.

Application Wire Color and Location
Parking Light Positive Wire (+) Brown
Parking Light Positive Wire Location In Drivers Kick Panel Or BCM, Light Blue Plug, Pin B6. The BCM is located above the climate controls in the center of the dash.
Power Door Lock Positive Wire (+) Light Blue
Power Door Lock Positive Wire Location In Driver Kick Panel
Power Door Unlock Positive Wire (+) White
Power Door Unlock Positive Wire Location In Drivers Kick Panel
Door Trigger Negative Wire (-) The drivers door is a blue (-) purple plug, pin B4, the passengers door is a orange (-) purple plug, pin B2 and the sliding door is a pink (-) light blue plug, pin B10, the rear door is a yellow (-) light blue plug, pin B11. When connecting to an alarm system, use all 4 wires and diode isolate.
Door Trigger Negative Wire Location At BCM. The BCM is located above the climate controls in the center of the dash.
Dome Light Supervision Wire (-) Gray/Black
Dome Light Supervision Wire Location At Relay Above Diagnostic Plug
Trunk Release Negative Wire (-) Light Blue
Trunk Release Negative Wire Location At Relay Above Diagnostic Plug
Horn Negative Wire (-) Black
Horn Negative Wire Location At Steering Column Harness Or BCM, Brown Plug, Pin A9. The BCM is located above the climate controls in the center of the dash.
Tachometer Wire Negative Wire (-) White
Tachometer Wire Negative Wire Location At PCM, Green Plug Pin 26. The PCM is located below the Battery under the hood.
Brake Light Positive Wire (+) White
Brake Light Positive Wire Location At Switch Above Brake Pedal
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 2004 Chevrolet Astro 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 2004 Chevrolet Astro 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 2004 Chevrolet Astro.

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