Question about 1999 Ford Explorer

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Can anyone tell me where the headlight relay is located on my 1999 Ford Explorer? All lights work but the headlights, the brights work when I pull the lever, but not when turned on completely.

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The fact that the brights do flash on indicates the circuits and bulbs are probably ok. I suspect the multi-function switch may be your problem. It's a very common failure, and pretty simple to replace. It's the arm assembly that has the high beam switch/turn signals/ wiper controls and sometimes the cruise control too. Instead of looking at the relay which I have never had a customer need replacing in 35 years, check for power at the bulbs with the switch turned on. If there is no power, check ALL the fuses, several manufacturers use multiple fuses for one item. if they are all ok, remove the lower kick panel on the driver's side and check to see if there are any burnt connectors going into the base of the steering column and the back of the headlight switch. It's a little tight in there, so be patient. lastly, with a test light, check to see if the power from the headlight switch is actually leaving out of the headlight wires when you turn them on.If there is power leaving the switch, it all passes through the multifunction switch. Try to push the turn signal arm towards the dash, then pull it away from the dash towards you, sometimes the switch gets sticky and will start to work, at least for a while. Good luck!

Posted on Apr 09, 2015

  •  Mike McDonald
    Mike McDonald Apr 09, 2015

    The fact that the brights do flash on indicates the circuits and bulbs are probably ok. I suspect the multi-function switch may be your problem. It's a very common failure, and pretty simple to replace. It's the arm assembly that has the high beam switch/turn signals/ wiper controls and sometimes the cruise control too. Instead of looking at the relay which I have never had a customer need replacing in 35 years, check for power at the bulbs with the switch turned on. If there is no power, check ALL the fuses, several manufacturers use multiple fuses for one item. if they are all ok, remove the lower kick panel on the driver's side and check to see if there are any burnt connectors going into the base of the steering column and the back of the headlight switch. It's a little tight in there, so be patient. lastly, with a test light, check to see if the power from the headlight switch is actually leaving out of the headlight wires when you turn them on.If there is power leaving the switch, it all passes through the multifunction switch. Try to push the turn signal arm towards the dash, then pull it away from the dash towards you, sometimes the switch gets sticky and will start to work, at least for a while. Good luck!

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Maybe your lo beam lights are burnt out I have seen both sides do this before. Check your fuses and switches as well.

Posted on Apr 08, 2015

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