Reverse Lights not working. Stumped! - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 09-19-2012
Brandon77's Avatar
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Reverse Lights not working. Stumped!

Hello,

Having an issue with my reverse lights not coming on and can't seem to figure it out.

The facts:
  • 1999 4x4 XLT 5spd.
  • Had new headlights installed last summer (I think this is when the issue started).
  • Front Driver's Side blinker blinks at fast rate (indicative of electrical issue).
  • Reverse lights (not originals, I wired up a new set several years ago and they have always worked fine) do not come on when vehicle is put in reverse.
  • All other lights work.

What I've tried so far from reading and experimenting:
  • Checked all fuses, replaced #26 and #27. No change.
  • 0v getting to wires at reverse lights (obviously).
  • Checked switch connector on transmission. Plug is getting 12.5v.
  • Ran jumper wire from transmission connector to reverse lights. They lit up (so the issue is not the lights themselves).
  • Replaced switch on transmission, no change.
  • Removed headlights, checked all bulbs/plugs, replaced. No change.

At this point I'm not sure what else to check. The fact that the driver's side blinker is indicating an issue seems to point out that there's a short somewhere--but would this be related to reverse lights?

Any ideas?
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Old 09-19-2012
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The fast blinker usually means that a bulb is disconnected or a wire is loose somewhere. That's why I have found to be the problems. Try and trace the wire from the tranny if you can. If its 12.5v @ the tranny and 0v @ the lights then it's somewhere along the line.
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Old 09-19-2012
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Quote:
Originally Posted by Mcleary316 View Post
The fast blinker usually means that a bulb is disconnected or a wire is loose somewhere. That's why I have found to be the problems. Try and trace the wire from the tranny if you can. If its 12.5v @ the tranny and 0v @ the lights then it's somewhere along the line.
Do you think the issues are related?
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Old 09-19-2012
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Almost positive. When I had a tail light out, the blinker was really fast. Do your brake lights work? Double check all your fuses again.
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