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1999 Jeep Grand Cherokee 4wd
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volsnfins
New User
Nov 19, 2012, 2:16 PM
Post #1 of 2
(1404 views)
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1999 Jeep Grand Cherokee 4wd
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Our Cherokee has an electrical gremlin! The headlights and all taillights will not come on when switched on. When the blinkers are activated they will not blink either. You can pull the blinker lever towards you and the headlights will flash bright but thats the only time any lights on the front or rear will work. Brake lights work perfectly! Also, something is draining the battery drastically overnight! Not the glovebox, under hood or any interior compartment lights. Is there any switch which controls the headlights, taillights AND blinkers that can be hot and drain the battery? As I said, you can pull blinker lever towards driver and the headlight blink brightly every time. H E L P
THANKS!!!!!!!!!
Harley
personal info deleted
(This post was edited by Hammer Time on Nov 19, 2012, 2:20 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 19, 2012, 2:21 PM
Post #2 of 2
(1396 views)
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Re: 1999 Jeep Grand Cherokee 4wd
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There is a procedure for finding a battery draw like that.
You will need a digital ammeter and a jumper wire with clips on the ends to do this.
First rig any door switches so you can have a door open without triggering the interior lights and unplug the hood light. Remove one battery cable and attach the meter in series between the battery cable and battery post. Take the jumper wire and also attach it the same way. Leave the jumper wire on for at least 10 minutes to expire all the automatic timers. Now remove the jumper wire and read the meter. Anything over 50ma is too much draw. The way you locate this is to start removing fuses one at a time until the meter drops to normal level. This will be the circuit with something staying on. Determine what components are part of that circuit and check them individually until the problem is isolated.
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