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Ford Aerostar XLT
Ford Bronco

Why does a 93 ford aerostar has headlights going on and off we replaced the switch it was good for 6 weeks and now same problem?

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2009-02-05 17:08:58
2009-02-05 17:08:58

Usually, the headlights are protected by a self-resetting circuit breaker located in the fuse block. It looks like a big aluminum "fuse". If it is failing or is being overloaded by accessory lights, the headlights will blink on and off. 2/5/09 The headlite switch socket may be burnt due to heat.

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have you replaced the dimmer switch? if not that may be the problem. I had the same problem in reverse( brights worked but headlights didn't) water damaged the dimmer switch on the steering column once I replaced it all was good.

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i had the exact same problem and i also replaced the switch and relay. the problem was in the wiring right at the positive post on the battery. also had to clean up many of the fuse links as well.

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I have a '91 Eddie Bauer and I don't know if my answer applies to a 93 model but get an electrician to check your dip/high beam and indicator unit on the steering column. I replaced mine and the problem of no dimmed headlights was fixed. The light switch always seems to run hot with lights on. Probably a short SOMEWHERE. You have to trace the wires to find it.

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There are several possibilities; headlight switch, headlight breaker or fuse, connectors, dimmer switch.

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Had the same problem with my Grand Prix, ended up that the ignition switch had to be replaced. Hope this helps.

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Yes, the dimmer switch could be at fault but, be sure the bulbs are okay before you spend anymore money.

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just had same problem on 96 replaced head light switch in dash not had problem since wiggled switch first flickering matche wiggle

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I also own a 97 Ram 1500. Recently my headlights would go out when I tilted the steering wheel into the down position. I replaced the multi-switch (wipers, brights, turn signal) and the problem was solved.

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The headlamp switch controls the power to the dimmer switch and then on to the headlights.The headlamp switch controls the power to the dimmer switch and then on to the headlights.

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Probably have a "dimmer switch problem" The switch is mounted on the side of the steering column and can be replaced easily. Using a test light, 3 wires are at the switch. the wire coming down from the headlight switch that should be hot when headlight switch is activated. The other two are outputs which go to the high or low circuit of the headlights respectively.Easy to fix with a 12 volt test light for troubleshooting.

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You probably won't have dash lights either. The problem will probably be at the light switch. If you take out the switch, there will be a burnt wire, and the switch will have to be replaced, along with a pigtail for the burnt wire.

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You have a problem with your multifunction switch, probably the only way to fix it is to replace the switch.

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If the headlights are not coming on in a 1997 Lumina, it could be a problem with the headlight switch. It could also be a fuse or the headlight relay.

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The switch may be broken, or there may be a wiring problem to the switch, causing a short that bypasses the control. Check the switch and the wires running to it.

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If your high beams still work it is the dimmer switch.

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Perhaps you turned on the interior lights when you were adjusting the headlights?

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I've heard that if you have an automatic light switch sut-off switch and are having problem with your headlights flashing like a police car, it was caused by the cars computer.

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Hi, The problem with your pass side window is the drivers side power window switch. I have had this same problem on my 1993 Aerostar.

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May be the switch There should be a button on the side of the switch (behind the dashboard) Push this button and knob/rod assembly should come out allowing you to remove bezel and switch Also replace connector when replacing switch--they have a tendency to overheat and not make good contact


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