Question about 2001 Hyundai Elantra

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Loose contact of dashboard light

While I turn headlight switch on, the dashboard light is supposed to turn on as well, however it does not. If I turn the switch back of and on few times, the dashboard light comes on, but is very unstable. I think this is due to bad contact in my headlight switch. How can I clean the switch contacts?

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My 2003 Elantra had a problem when I would use the turn signals. The dash lights would flicker on and off and if you jiggled the arm of the dimmer switch it would turn the dash lights back on. Over time it got worse. AND little did I know it also made the tail lights and front parking lights flicker on and off!!! So it was not good to say the least.
I took the switch out and opened it up. And inside where the turn signal components moved to make their contact connections, there was a build up of electrical contact grease at the bottom making intermittent contact between two points (I'm assuming gravity and vibration over the years moved the grease down there and built up). I cleaned the excess contact grease from the area. Reassembled the switch. Put back in steering column. No longer having issues.

Posted on Sep 15, 2012

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This is usually a loosing proposition,  if the switch is failing, it is unlikely that cleaning the contacts will work long if at all.  Unless you time is worth less than $10 an hour, better off to get a new switch if that's what is bad.  Check for problems with a dimmer switch (if present)  for dashboard lights.

Posted on Nov 06, 2008

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Test the headlight switch as follows.
  • Move your car to a dark area, such as waiting until night or moving to a dark garage, to test your headlight switch.
  • 2Turn on your car, so you can see your dashboard lights. Note whether some of your dashboard lights fail to illuminate.


    • 3
  • Turn on your car's headlights. Note whether your car's headlights illuminate.
  • 4Press the high beam lever to activate your high beams. Note whether your high beams activate.
  • 5Put your car in "Park." Move to the back of the car. Note whether your parking lights are illuminated.
  • 6View any remaining driving lights, such as lights above the license plate. Note whether these lights come on.
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    Check on the fuse for the Headlight, if this is ok then check on the headlights for broken leads, damaged lamps or holders. There could be apossibility that the ground going to the main headlines are not firm. use a voltmeter to check for voltage at the buld end. if no votage is present and if your are hearing the click when the switch is put on, then there is a loose connecton in the harness fromt he head lights relay, please try to sort this out. the fault could be failure of the points, if the relay cliccks and not output comes in, though it is rare. hope this has helped.

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