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Showing results for tags 'dim headlight'.
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i had this 93 loyal wagon come in to work the other day and its got me stumped, the left headlight is dim on both high and low, their is no left tail light and the dash lights arn't working. i checked the head lights fuses and they were both good, so i checked voltage at both head light fuses, left had 2.5 volts both sides of fuse and the right had 12.5 volts. I unpluged the left head light fuse and it doesnt affect the head light, it stays on and stays dim, so i started checking the relays. I found one relay with 12.5 volts on one side and 2.5 volts on the other side and the relay was hot to the touch, so im fairly sure there is a short of some kind going on. what is stumping me is that the left head light stays light (dimly) even when the fuse for that head light is disconnected, and that none of the fuses are being blown. this car came in once before and the problem was there then but it would happen infrequintly, ocassionaly the dash lights would turn off and the left head light would dim, but tapping on the top of the dash would make the lights turn back on and the head light would be bright again. all sighns seem to say something is shorting out, possibly from the right head light to the left as well as a ground to hot. also it sounds as though the problem could be in the dash as well since tapping on the top of the dash would make it work again. \ my ideas are that there could be a problem in the supply to the fuse box or the fuse box it self. i did check the fusible links under the hood and found a solid 12.5 volts on both sides of the fusible links and nothing felt hot there im wanting to get as much info as i can together for the next time the car comes in so i can trouble shoot it in as short of a time as possible, because they tend to not want to leave their car for very long periods of time. i did sugest they leave it for a couple of days so we could have the time to properly trouble shoot it, but im planning on not having a whole lot of time just in case so can anyone give me some ideas of what i should be looking for to possibly find this short and get it fixed, im thinking first step would be to pull the fuse box and inspect it and make sure nothing is shorting out there on the supply side. i did visually trace as much wiring as i could under hood, but having a short amount of time and beaing an old ea82 there could be something i missed.