2007 Overland with power drain problem - JeepForum.com
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post #1 of 4 Old 01-17-2020, 11:31 AM Thread Starter
RockyWK
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2007 Overland with power drain problem

Hi guys. I’ve got an intermittent power drain problem with my Jeep. With no warning what so ever on 3 separate occasions now I’ve gone out in the morning to start her up and absolutely nothing! Battery dead ........
Now it’s got a new alternator and battery on it but I’ve still got this random power drain that’s frustrating me........
I know I can get it into an auto electrician but with it being intermittent it might not drain down whilst it in?
Are there any common places I could start looking for myself?

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post #2 of 4 Old 01-19-2020, 08:43 PM
brennaman
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I would try to see how much current it is drawing while setting. If you have an amp-meter, see how much it draws. If it has more that a few milli-amps, I would start pulling fuses to see what is draining it. Most cheap multi meters have DC current function. To measure current you will have to pull one of the battery terminals and put the meter in series with the battery and terminal. The radio and computer just draw a few milliamps (maybe 50 ma max).

Are you sure there is not an interior lamp left on? That might do it after 12 hours of sitting when it is cold.
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post #3 of 4 Old 01-21-2020, 08:17 AM
badgerwithhands
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Google what he is talking about for the draw test. It's easy, even if you've never used a meter. I can't seem to remember what my draw was from on this Jeep. I had one as well a while back. All I can think of is the draw my Harley had. It was more recent.

07 WK Overland CRD, cargo LEDs, OME HD, MOPAR skids, rack,
future mods: tires, lights, CB, skids,
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post #4 of 4 Old 01-21-2020, 06:27 PM
Walt
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Quote:
Originally Posted by RockyWK View Post
Hi guys. Iíve got an intermittent power drain problem with my Jeep. With no warning what so ever on 3 separate occasions now Iíve gone out in the morning to start her up and absolutely nothing! Battery dead ........
Now itís got a new alternator and battery on it but Iíve still got this random power drain thatís frustrating me........
I know I can get it into an auto electrician but with it being intermittent it might not drain down whilst it in?
Are there any common places I could start looking for myself?
Start by pulling the IOD fuse first (at night) and re-insert to start up. After that, try the radio fuse.

New alternator = MOPAR OEM (new or re-mfgd)?

HEMI CLUB MEMBER #45; SILVER WK CLUB MEMBER #13
'08 WK GC Limited. 5.7L HEMI. Quadra-Trac II. Bright Silver Metallic. Class IV hitch.
Michelin LTX M/S tires. Fumoto oil drain valve. Billet Technology oil catch can.
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