Why must the negative battery cable be disconnected on a Jeep Wrangler?

Why must the negative battery cable be disconnected on a Jeep Wrangler?

Thanks for your help and advise. Jeep recommends disconnecting the negative battery cable when flat towing to prevent the battery from draining. When you flat tow your Wrangler, the ignition must be left in the ACC position. This would leave certain electronic components on that could drain the battery.

Why does the battery drain on a Jeep ZJ?

The drain in our ZJ was due to a defective Body Control Module. The module is fed by the 50 amp fuse but the drain actually came from the tan wires to both doors. Both door modules are tied to the Body Control Module and replacement of the module solved the battery drain.

What to do when your Jeep battery goes out?

Woot Woot! OK, the quick and dirty was is as follows; disconnect negative cable, connect a test light (12v bulb type) to the negative battery post and then to the negative cable. If connected right, the test light should light up, then start pulling fuses to see when the light goes out, bamo, short found.

Is there a problem with the ignition on a Jeep Cherokee?

If there is one common denominator amongst practically all 1984 to 1996 Jeep Cherokees (XJ , ZJ, WJ and WK’s alike) it is a bad ignition. Though typically robust, most Jeep Cherokees will eventually experience ignition failure, leaving otherwise happy owners stranded.

Thanks for your help and advise. Jeep recommends disconnecting the negative battery cable when flat towing to prevent the battery from draining. When you flat tow your Wrangler, the ignition must be left in the ACC position. This would leave certain electronic components on that could drain the battery.

Woot Woot! OK, the quick and dirty was is as follows; disconnect negative cable, connect a test light (12v bulb type) to the negative battery post and then to the negative cable. If connected right, the test light should light up, then start pulling fuses to see when the light goes out, bamo, short found.

Why does my Jeep Cherokee battery drain overnight?

Battery dead. Took it to an Auto repair guy and he had a quick look and said ‘something’ is draining my battery overnight. Did not have time to investigate then. Now, tonight I saw that when I switch it off, wipers,windows,indicators and elec window lights all still work??? WTH???

If there is one common denominator amongst practically all 1984 to 1996 Jeep Cherokees (XJ , ZJ, WJ and WK’s alike) it is a bad ignition. Though typically robust, most Jeep Cherokees will eventually experience ignition failure, leaving otherwise happy owners stranded.