Question about 1990 Isuzu Trooper

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Reverse light short

My turn signals went out in my 1990 Isuzu Trooper. Found a blown fuse that also is for the reverse lights. I replaced the fuse and found that when I put the truck in reverse the fuse would again blow. I checked the reverse light bulbs and removed them to find the problem still persisted. I am thinking there might be a short in the reverse switch (manual transmission). If this is the case, how do I determine and how do I find it to fix?

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If im not mistaken, under the car on the tranny you should find the switch, youll have to consult a manual for the exact location. it should be on the drivers side, look for a bump with wires coming out of it. i was haveing the same problem with my 1985 trooper. i found that the switch was partially unplugged and causing a short, thus blowing the fuse. follow the wires until you find a connection. see if it is unplugged. if not, then check the cotinuity of the switch with a multitester. it may be a bad switch

Posted on Feb 04, 2009

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