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Passenger side taillight and brake light not working

Tiny
SMOOTH227
  • MEMBER
  • 1997 TOYOTA AVALON
  • 280,000 MILES
I was told my passenger side taillight was out. I brought a new bulb and it still didn't work. Then I noticed the brake light wasn't working either. Only on the passenger side. Driver side works. Only the turn signal working on both sides. Can someone tell me what's the problem?
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Thursday, April 30th, 2020 AT 7:21 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,110 POSTS
Hello,

This is common when the light failure module goes out by the left rear trunk pillar by the rear seat. Here is a guide to help test through the module and the wiring diagrams so you can see how the system works:

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

Check out the diagrams (below). Please let us know what happens.
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Friday, May 1st, 2020 AT 12:41 PM

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