Battery drain
#1
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Location: England shoeburyness Essex
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Year: 2001
Model: Cherokee
Engine: 2.5 turbo Diesel
Battery drain
Hi guys battery is draining,had it checked and its good,as is the Alternator,there is a permanent live somewhere draining the juice from the battery,was wondering if there was a common problem that any of you guys could steer me to,the under hood light is disconnected,so its not that,just thought id ask before the auto electrician Robs me....4.0 litre XJ 2001......
Last edited by samurai; 04-06-2013 at 02:20 PM.
#2
CF Veteran
Check for parasitic drain on the battery
Set a multimeter to DC amps
Disconnect the positive battery terminal, run the multimeter in series there.
If it's over like 10mA then you've definitely got a problem
Pull fuses one at a time til the amp draw goes down
Then you know where the problem is
Set a multimeter to DC amps
Disconnect the positive battery terminal, run the multimeter in series there.
If it's over like 10mA then you've definitely got a problem
Pull fuses one at a time til the amp draw goes down
Then you know where the problem is
#4
CF Veteran
No problem man. Just make sure you don't try to turn anything on while doing this. Set up in series all the current is running through the multimeter. If you need to check fuses in the cab disconnect the multimeter, open the door, then find a way to depress the light switch so your interior lights don't stay on.
#6
CF Veteran
Here is something to look at to help you find your problem. Hope it helps.
How To Perform a Parasitic Draw Test - EricTheCarGuy - YouTube
How To Perform a Parasitic Draw Test - EricTheCarGuy - YouTube
^ this. Was about to post it, Robert beat me to it.
Explains exactly what to do and why.
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#8
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Year: 2001
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Excellent guys Video is great really explains what to do,il keep you posted when i cure the prob,thanks all for your help....Appreciate it...
#10
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Year: 2001
Model: Cherokee
Engine: 2.5 turbo Diesel
Thought id update you guys on my battery drain,Been checked fully and found nothing,Auto electrician spent time on it also and found nothing draining,but the battery is underpowered for the truck and has advised fitting a heavy duty item,my 4.0 is duel fuel so he thinks the problem is the battery fitted cant cope,so il get a heavy duty puppy on there tomorrow and see if that works,thanks for all the input guys im bound to have a ton of questions as i work through my xj...
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