Passenger headlight wiring

189TOM

MEMBER
2008 CHEVROLET IMPALA
2WD
AUTOMATIC
150,000 MILES

I smashed my headlight out hitting a deer. It ripped my wiring harness for my headlight and I was unable to find it. I bought one and now I am having issues getting the headlight to work properly trying different combinations of wire hookups. The wire colors do not match my car wiring. I believe I have figured out what wire goes to what on the new pigtail. (Black is ground, brown is parking/running, blue is turn, yellow is dim, green is bright) I cannot figure out what wire goes to what from my car side. I have (pink, green, blue, orange, brown).

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5 Replies

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Hi,

I attached the lighting schematic for you. There are two pics below. I had to cut it in half to make it readable, but I did overlap so you can follow it.

Look through it and let me know if you have questions.

Take care,
Joe

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Thursday, November 19th, 2020 AT 5:40 PM

189TOM

MEMBER
3 POSTS

Bit embarrassing. But I struggle to read those and figure out which wire is which. The second picture is the wires I have on my car. Any chance you can tell me which one does what?

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Friday, November 20th, 2020 AT 7:47 AM

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Hi,

For the low beam (right headlamp) power is supplied via a tan/white wire which changes to a blue wire at the light. The black wire I highlighted is the ground for the light.

Pic 2 is the high beam. The light green/black wire is the power supply and the black wire is ground for the light.

Is that what you needed?

Let me know.
Joe

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