1970 Ford F-150 all lights out

Tiny
TERRIE TEARE
  • MEMBER
  • 1970 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 300,000 MILES
I have no brake lights, tail lights, turn signals, or backup lights. I heard a clicking noise from the passenger side of the firewall. I assume it was a relay. Would failure of that relay cause my light failure? I don't even know if there's a fused system on my truck. Any ideas on where to start?

Thanks!
Terrie
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Wednesday, February 24th, 2010 AT 10:31 AM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, I don't have good wiring info for your model year. You might check applicable fuses with a testlite, make sure the fuses are good and the fuse circuit is hot, when it should be.
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Wednesday, February 24th, 2010 AT 10:59 AM
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
CHECK your SOLINOID for loose or broken wires. Follow POS BATT cable, solinoid on other end.

LOVE, TURDDOG
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Wednesday, February 24th, 2010 AT 2:43 PM

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