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Strobing in turn signals and running lights

Tiny
LEWSRAM
  • MEMBER
  • 2018 RAM 1500
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 10,000 MILES
Replaced the quad headlights with TYC projector headlights, used headlight revolution conversion harness to connect. With engine off all lights, 4 way work fine. When I start the engine, headlights work but the turn signals start strobing when activated. No errors on dash.
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Friday, February 12th, 2021 AT 1:12 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,480 POSTS
It sounds like the replacement lights are simply not compatible with the wiring in the truck. Not an uncommon thing with aftermarket items. The issue is likely due to the different type of lamp with the replacements having a different current draw or internally wired wrong for your truck and once powered on they cause a problem.
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Thursday, February 18th, 2021 AT 9:48 AM

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