Taillights not working

ITWKURT

MEMBER
2006 MERCURY MONTEGO
150 MILES

Bad braking and regular taillight mode. Replacement assembly prohibitively expensive (even used). Can the much cheaper five hundred assembly be used or is wire harness different (my car has an LED device)?

Monday, June 25th, 2018 AT 7:20 AM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
42,833 POSTS

There is a #18 fuse and tail light relay inside the smart junction box that needs to be checked. Here is a guide the help you get started and the wiring diagrams so you can see how the system works:

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

and

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Here are the fuse panels identification and location.

Check out the diagrams (below). Please run some tests and get back to us.

Cheers, Ken

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Taillights not working

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