I want to change headlights from HID back to OEM

2015 GMC ACADIA

80,000 MILES • 6 CYL • AUTOMATIC

KEN STANKIEWICZ

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I have the vehicle listed above SLT model with 9012 bulbs. I wish to change them back to original HID light bulbs D3 S. how much work would it be to change them? Do I have to change the wiring or use the wiring that's there?

Mar 4, 2019 at 8:42 AM

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Hello,

It looks like it might be a little involved to change it over but not anything we can't handle. Here are the headlight wiring diagrams (below) so you can see how the system works and a guide to help you test the connections.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.

Images (Click to enlarge)

Mar 5, 2019 at 10:45 AM