Whether you’re a novice Chevrolet Avalanche enthusiast, an expert Chevrolet Avalanche mobile electronics installer or a Chevrolet Avalanche fan with a 2003 Chevrolet Avalanche, a remote start wiring diagram can save yourself a lot of time. The automotive wiring harness in a 2003 Chevrolet Avalanche is becoming increasing more complicated and more difficult to identify due to the installation of more advanced automotive electrical wiring. One of the most difficult jobs is figuring out where wiring for remote start, remote starter, remote vehicle starter, remote car starter, remote auto starter, remote automotive starter, remote auto starter or remote start module should be connected to on your 2003 Chevrolet Avalanche.

The Modified Life staff has taken every 2003 Chevrolet Avalanche remote start wiring diagram, 2003 Chevrolet Avalanche remote start wireing diagram, 2003 Chevrolet Avalanche remote starter wiring diagram, 2003 Chevrolet Avalanche remote starter diagram, 2003 Chevrolet Avalanche wiring for remote start, 2003 Chevrolet Avalanche remote start wire diagram, 2003 Chevrolet Avalanche remote starter wiring diagram, 2003 Chevrolet Avalanche remote start install diagram and cataloged them online for use by our visitors for free. Our remote start wiring schematics allow you to enjoy remote car starting for an air conditioned cabin in the summer and remote vehicle starting for a warm interior in the winter. Stop spending countless hours trying to figure out which remote start wires go to which 2003 Chevrolet Avalanche electrical module or automotive harness.

Feel free to use any Chevrolet Avalanche remote start wiring diagram that is listed on Modified Life but keep in mind that all the information here is provided “as is” without any warranty of any kind and most of the remote start wiring schematics listed on our enthusiast website are submitted by the Modified Life community. Use of the Chevrolet Avalanche wiring diagram is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2003 Chevrolet Avalanche.

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2003 Chevrolet Avalanche Remote Car Starter Wiring Diagram

Vehicle Battery Positive Wire (+): Red
Vehicle Battery Positive Wire Location: Ignition Switch Harness

Vehicle Ignition Wire (+): Pink
Vehicle Ignition Wire Location: Ignition Switch Harness

Vehicle Second Ignition Wire (+): White
Vehicle Second Ignition Wire Location: Ignition Switch Harness

Vehicle Accessory Wire (+): Orange
Vehicle Accessory Wire Location: Ignition Switch Harness

Vehicle Second Accessory Wire (+): N/A
Vehicle Second Accessory Wire Location: N/A

Automobile Engine Starter Wire (+): Yellow
Automobile Engine Starter Wire Location: Ignition Switch Harness

Automobile Second Engine Starter Wire (-): N/A
Automobile Second Engine Starter Wire Location: N/A

Factory Anti-Theft System: GM Passlock II Anti-Theft System
Factory Anti-Theft System Type: Key Sends RF Signal to the BCM Module

Crankshaft Sensor Wire: N/A
Crankshaft Sensor Wire Location: N/A

Camshaft Sensor Wire: N/A
Camshaft Sensor Wire Location: N/A

Car Key Sense Wire (-): Light Green
Car Key Sense Wire Location: Ignition Switch Harness

Car Neutral Safety Wire (-): N/A
Car Neutral Safety Wire Location: N/A

Car Tachometer Wire (-): White
Car Tachometer Wire Location: In Harness Near Battery

Car Speed Sense Wire: Green/White
Car Speed Sense Wire Location: In Harness Near the Battery

Car Parking Lights Wire (+): N/A
Car Parking Lights Wire Location: N/A

Car Brake Lights Wire (+): N/A
Car Brake Lights Wire Location: N/A

Car Reverse Lights Wire (+): Light Green
Car Reverse Lights Wire Location: At BCM Module Under the Driver Side Dash

Car Horn Wire (-): N/A
Car Horn Wire Location: N/A

Car Rear Defrost Wire: N/A
Car Rear Defrost Wire Location: N/A

The 2003 Chevrolet Avalanche remote start wire color and location information above is updated as it is submitted by the Modified Life community.

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