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New LED lights affect my turn signals flash

Tiny
ROYCAR71
  • MEMBER
  • 1997 FORD EXPEDITION
  • 5.4L
  • V8
  • 2WD
  • AUTOMATIC
  • 266,000 MILES
After installing LED headlights my turn signals flash erratically. What can I do?
Saturday, October 28th, 2017 AT 1:18 AM

4 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,018 POSTS
Common issue. The LED's mess up the current draw through the system. The only good solution is to switch back. One of the problems with having computer control of everything they are set up for the OEM parts only.
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Saturday, October 28th, 2017 AT 1:55 AM
Tiny
ROYCAR71
  • MEMBER
  • 354 POSTS
Will load resister on wire of headlights matter much?
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Saturday, October 28th, 2017 AT 8:25 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,018 POSTS
It might but if you have to add resistance it may cause other issues.
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Saturday, October 28th, 2017 AT 9:38 AM
Tiny
ROYCAR71
  • MEMBER
  • 354 POSTS
I put back stock headlights. I replaced turn signal multi switch on steering wheel. I still get intermittent signal on both sides.
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Saturday, November 4th, 2017 AT 2:53 AM

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