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Discussion Starter · #1 ·
The community here at urges you to please use caution and seek professional assistance when performing modifications to your vehicle. Before attempting any modification it is advised that you refer to your Colorado or Canyon service manual or contact a certified mechanic as not all GMT355 trucks are the same. The staff and the associated members are in no way responsible for any damages, injuries or other harm inflicted to your vehicle or yourself which may result in attempting these modifications. The posts and content presented on this site reflect in no way the views of or it’s ownership.

A 355nation How To presented by

Project Name
How to Modify Aftermarket Fogs with HIDs

Project Description
Get any set of fog lights and setting them off by installing HIDs

Skill Level

Project Vehicle
Make: Chevrolet
Model: Colorado
Year: 2009
Engine: 3.7L
Power windows: Yes
Sun Roof: No

Tools Needed
Drill, 3/4 in Hole Saw, Paint (Optional)

Project Time
2 hours

Project Cost

Start with your 2 items:
Foglight Set (Ensure that it is a set that will withstand the extra heat and/or projectors)

VVME HIDs (H3 Bulbs - 35W)

Next, Disassemble the Foglights.

(Optional) Tape off the Lens and Paint the color you want.

Drill through the back cover with your Hole Saw to allow for the wiring and bushing to fit into. This step is integral if the housings were not intended for HIDs. HIDs are longer on the back than the original bulbs and need a hole drilled directly behind the bulb to allow proper fitment.

Remove the original bulbs and install The HID bulbs and wiring. (Wire just like any other set of HIDs. Reference HID directions or look Here.)


Hook up to factory fog light plugs (use adapters if necessary) or run aftermarket fog light wiring with proper switches, relays and fuses necessary.
Here is a simple diagram for wiring using an HID relay harness.

The use of an HID relay harness is recommended! Some factory fog light harnesses may run at a lower wattage than the HIDs require, so to ensure proper operations and to extend the life of your HIDs, purchase a Relay harness from DDM Tuning or VVME (or any other HID vendor), or make one yourself with the appropriate wires, fuses, and relay.

Finally, zip tie any hanging wires and Enjoy! :355:

Member's Technical crew
4,307 Posts
Looks good thanks for the How to buddy!
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