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When your 99 VW Golf is stationary the headlights seem to loose brightness intermittently Anyone know of this problem?


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2014-10-07 01:56:43
2014-10-07 01:56:43

It may be the result of a malfunctioning alternator, or simply a loose alternator belt. When the car is idling, the rpm's of the engine are decreased. This means that the battery is putting out energy, but the engine is not moving the alternator fast enough to refill the charge. When the car is moving, the alternator is getting enough power to keep the lights from dimming.

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We had the same problem and we were told by the dealer that it was because the ambient temperature sensor was shorting out?!? Since we had that problem fixed we've also had the problem of our passenger-side headlight working intermittently and this morning both headlights wouldn't work.

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I had that same problem and ended up switching out the entire headlight dimming switch with one from a junkyard. Just pull the dash and disconnect it from the connector clip,and it worked for me.

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I DONT KNOW IF THIS WILL HELP BUT YOU MIGHT TRY THIS . I HAD A SIMILAR PROBLEM WITH MY 93 DODGE DYNASTY.THE LIGHTS WOULD GO ON AND OFF INTERMITTENTLY. SOMETIMES I COULD ONLY GET THEM TO STAY ON BY HOLDING THE HIGH BEAM LEVER. I REPLACED THE HEADLIGHT DASH SWITCH. IT SOLVED THE PROBLEM.

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If the headlights flash on and off, there may be a problem with the bulbs or fuses. There may also be a problem with the battery connections or wiring.

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(http://www.wjjeeps.com/lamps/headlamps.htm) AUTO HEADLIGHTS CYCLE ON AND OFF WHEN THE VEHICLE IS PARKED AND TURNED OFF (with headlamp switch in "Auto" mode) The problem is most prominent on 1999-2001 WJ's, but it could apply to the 2002-2004 WJ's. The problem could be in the switch. The switch is a multiplexed circuit, the resistance of the HEADLIGHT ON position is very close to the AUTO position; the switch has been updated to correct this problem.


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