Taillights not working

JBENSON87

MEMBER
2001 LINCOLN TOWN CAR
6 CYL
2WD
AUTOMATIC
102,000 MILES

We replaced the heater core and the rear left light does not work at all. Everything else works. But not that. We replaced the light module and that didn't fix it.

Tuesday, November 12th, 2019 AT 9:39 PM

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

Hello,

There are 12 fuses that run the system we need to check. here is a guide and the lighting wiring diagrams so you can see how the system works and which fuses to check I have also included the fuse locations as well:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

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Thursday, November 14th, 2019 AT 10:38 AM

JBENSON87

MEMBER
2 POSTS

Okay, I checked all fuses and relays they all work. There is no power going to the rear light.

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Friday, November 15th, 2019 AT 9:02 AM

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

15 fuses run the system I just to make sure you checked them all?

Here is a guide to help us see whats going on:

https://www.2carpros.com/articles/no-tail-lights-exterior-running-lights-tail-lights-out

Please use a test light and see if there is power at the fuses and at the lighting control module. Use the wiring diagrams above to see which wires to test for power/ground.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Please run down these guides and report back.

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Friday, November 15th, 2019 AT 1:36 PM