Question about 1985 Toyota 4Runner

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Electical when i put a new fuse in for the horn it blows and i see smoke in the fuse box inside the engine conpartment, plus my wiper fuse blows when i turn them on

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You may have some short circuits in your wiring, a bad horn relay or horn unit, and/or a bad wiper motor. Hard to tell without actually looking at it.
Try this:
Disconnect the horn, and try another fuse. Does it blow? If not, the horn is shorted, and needs replaced. If it blows, remove the horn relay & try another fuse. Same with the wiper motor, unplug it and try another fuse. If it does not blow, you need a wiper motor.

Posted on Sep 26, 2008

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Posted on Jan 02, 2017

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