A friend of a friend (who is now out of town) tried to repair the
passenger side tail light wiring. I don’t know what he did but now the
dash board lights do not work unless the brake pedal is depressed. Can
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Sure - he crossed the purple wire with the blue wire which causes the white
wire to feed back voltage through the black wire and the net result is that
the red wire never sees the difference in potential that it expects, so the
grey wire fails to go active, and your brake pedal wire monitor gets all
Now really - you don't say a thing about what the original problem was,
don't say any more about what your friend did to "fix" it, and you expect a
group of people who don't even know what model Hyundai you own, to diagnose
your problem. Sure - lots of people here can help - with some information.
Absent that, we're all going to be poking in the dark.
Why did he attempt to repair the tail lamp wiring? What was the original
Other than the dash lights problem, do the tail lights seem to work
properly? Brake, tail and directional?
Where was this friend monkeying about on your car?
Are you opposed to simply taking your car to a qualified mechanic? This may
or may not be a requirement for you, but based on your original question,
I'm guessing it's going to prove to be likely.
I always get that passenger side/driver side thing confused. For the
longest time I thought the passenger side was tied to the under hood light
and that it provided input to the ECM, and then I learned that was really
the driver's side front...
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