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2003 Chevrolet Trailblazer Remote Start System Wiring


Whether you’re a novice Chevrolet Trailblazer enthusiast, an expert Chevrolet Trailblazer mobile electronics installer or a Chevrolet Trailblazer fan with a 2003 Chevrolet Trailblazer, a remote start wiring diagram can save yourself a lot of time. The automotive wiring harness in a 2003 Chevrolet Trailblazer 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 Trailblazer.

The Modified Life staff has taken every 2003 Chevrolet Trailblazer remote start wiring diagram, 2003 Chevrolet Trailblazer remote start wireing diagram, 2003 Chevrolet Trailblazer remote starter wiring diagram, 2003 Chevrolet Trailblazer remote starter diagram, 2003 Chevrolet Trailblazer wiring for remote start, 2003 Chevrolet Trailblazer remote start wire diagram, 2003 Chevrolet Trailblazer remote starter wiring diagram, 2003 Chevrolet Trailblazer 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 Trailblazer electrical module or automotive harness.

Feel free to use any Chevrolet Trailblazer 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 Trailblazer 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 Trailblazer.

Questions

If you have any questions pertaining to the remote starter wiring in the 2003 Chevrolet Trailblazer, please feel free to post it at the bottom of this page and either we’ll do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you’re looking for.

Request a Remote Start Wiring Diagram

If you can’t find a particular remote starter wiring guide on Modified Life, please feel free to post a remote start wire diagram request at the bottom of this page and we’ll do our best to find you the diagram or schematic you need for your remote start installation.

Adding More Information

If you would like to help the Modified Life community by adding any missing 2003 Chevrolet Trailblazer information or adding a new remote car starter wiring schematic to our resource, please feel free and post it at the bottom of this page.

2003 Chevrolet Trailblazer Remote Start System Wiring

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 (+): Brown
Vehicle Second Accessory Wire Location: Ignition Switch Harness

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: The Key Sends a RF Signal to the BCM Module

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: At PCM Module on Driver Side of the Engine

Car Speed Sense Wire: Dark Green/White
Car Speed Sense Wire Location: At PCM Module on Driver Side of the Engine

Car Parking Lights Wire (+): Brown
Car Parking Lights Wire Location: At Vehicle Fuse Box Under the Rear Left Seat

Car Brake Lights Wire (+): White
Car Brake Lights Wire Location: At Switch Above Brake Pedal

Car Reverse Lights Wire (+): Light Green
Car Reverse Lights Wire Location: At Vehicle Rear Fuse Box Under the Rear Left Seat

Car Horn Wire (-): Black/Yellow
Car Horn Wire Location: In Harness at Steering Column

2 thoughts on “2003 Chevrolet Trailblazer Remote Start System Wiring”

  1. Mai, there are plenty of good remote start systems on the market for your 2003 Chevrolet Trailblazer. We recommend purchasing a Python remote start system because it offers reliable hardware from DEI and plenty of features for a great price. Here is the remote car starter we recommend:

    Python Remote Start System for 2003 Chevrolet Trailblazer

    As far as wiring goes, ask and you shall receive: 2003 Chevrolet Trailblazer Remote Start Wiring Diagram

    Hope this helps. Good luck with your 2003 Chevrolet Trailblazer remote start system installation.

  2. I am looking for remote starter to warm up the 2003 Chevrolet Trailblazer North Face for Christmas present for my husband. We have manufactor alarm on that truck. Can you tell me what is the model & where I can buy one? Do you do install too & how much?

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