Lighting Module Plug Identification and Pinout

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Feb 20, 2026 | 03:55 PM

ssmith512

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Melting Slicks

Joined: Nov 2007

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From: Indianapolis IN

Lighting Module Plug Identification and Pinout

Greetings!

Looking for some assistance......can anyone tell me what color plug X5 is on the lighting module and the pinout of X5 as well? The lighting module has 5 colored plugs and I need to access PIN 25 on plug X5. See diagram I found online (red circle).

Why you ask? I want to install a 3rd brake light flasher and trying to see if it would be easier to access this plug than removing the rear bumper so I can wire a flasher module in series on the output of PIN 25.

Thanks in advance!

Feb 20, 2026 | 10:15 PM

naskie18

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Not that I expect it to be different, but what year and model?

Feb 21, 2026 | 06:01 AM

ssmith512

Thread Starter

Melting Slicks

Joined: Nov 2007

Posts: 2,780

Likes: 934

From: Indianapolis IN

Quote:

Originally Posted by naskie18

Not that I expect it to be different, but what year and model?

Oh dang, forgot to mention that rather relevant piece of info.......it is a 2026 Z06 HTC. But I agree, I doubt it is different.

Feb 21, 2026 | 07:22 PM

naskie18

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If I'm reading this correctly, X5 is a blue and gray connector.

CHMSL supply voltage is pin 25, which should be a Brown/Yellow wire.

Looks like there's an ignition hot wire on pin 18, should be a Violet/Black wire (in case you need that for module power).

It does not look like there is a ground in this connector.

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