2009 Chrysler Aspen Drains Battery

Tiny
KEN T
  • MEMBER
  • 2009 CHRYSLER ASPEN
  • V8
  • AWD
  • AUTOMATIC
  • 8,000 MILES
I purchase a Chrysler Aspen Hybbird and sometimes the battery will be dead when I go to start it. It jumps fine. NO lights are left on and nothing seems to be running when it is shut off. Any help?
Friday, September 10th, 2010 AT 9:55 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The first thing to do is have the battery tested to determine if it's capable of holding a charge.

If the battery is good.

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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Friday, September 10th, 2010 AT 10:34 AM

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