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Turn signal short

Tiny
ROUGH ROAD
  • MEMBER
  • 1985 FORD RANGER
  • 2.8L
  • V6
  • RWD
  • MANUAL
  • 100,000 MILES
Rear turn signals burn out while vehicle is running. All turn signals work correctly with key on. When engine is started and turn signal is activated, the rear bulbs burn out, the front ones still continue to flash.
Tuesday, May 16th, 2017 AT 3:47 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,895 POSTS
Hello,

It sounds like you have a voltage regulator that is out and the alternator is putting to much voltage out, please follow this guide to check the voltage.

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

Please run this test and get back to us so we can continue helping you.

Cheers, Ken
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Friday, May 19th, 2017 AT 11:49 AM

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