Question about 1986 Jeep Cherokee

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Jeep stalled on freeway at nite. Replaced new alternator and battery but still draining battery. is there another relay between the alt. and battery. i noticed a small square box mounted on fender wall is that a relay?

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Its hard to say since you didn't include the year and model of your Jeep also when and how long it takes the battery to drain but Im going to assume that its probably a newer model Jeep like a 95 or so. In the main fusebox under the hood there is a charging system fuse in it that is a rather large fuse about an inch long or so and around 80 to 100 amps. Check to see if that fuse has blown. This fuse would casue the battery to drain becasue even if the alternator is charging, the connection from the alternator to the battery is pretty much broken so the car is running off of only the charge in the battery. It would cause symtoms similar to the alternator not charging. Its an easy fix and probably cost less that $5.

Posted on Jul 30, 2009

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