Left rear turn signal lamp will not work.

10

Asked by Apr 05, 2015 at 01:58 PM about the 1997 Ford F-150 XLT 4WD Extended Cab SB

Question type: Maintenance & Repair

Known good lamp, no power going to socket, rapid flashing of turn signal on dash as if lamp is out, no visual damage to wiring that I can find. where do I look now??

3 Answers

7,995

Do you have a trailer plug? if so disconnect from the factory harness and see if that helps.

1 of 1 people found this helpful.
104,415

Rapid flashing indicates a loss of load, so there must be a broken circuit somewhere, it could be a pushed out connector or a broken wire that is still covered by insulation, I would suggest starting at the turn signal switch and head back.

2 of 2 people found this helpful.
Best Answer Mark helpful
10

thanks to both of you for your response. I Unplugged the trailer harness and it did not help as such, but while fooling with iut, the turn signal started working intermittently, so I started from the light and worked back to the front and found the main front to rear harness connector had a broken retainer clip and was backed out just enough to make the left light not work!! tied and taped the connector tightly together and it works again!! woo hoo!! so thanks again for the suggestions, gave me the starting point I needed to solve the issue.

1 of 1 people found this helpful.

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