Car battery issue

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Mar 24, 2011 | 08:06 AM

blackburn87

Thread Starter

Newbie

Joined: Mar 2011

Posts: 7

Likes: 0

From: VA

Year: 1999

Model: Cherokee

Engine: 6 Cyl. 4.0L

Car battery issue

When idle at a light, I had my wipers and heat on and my battery gauge was decreasing, any ideas as to why?

Mar 24, 2011 | 12:22 PM

Bustedback

CF Veteran

Joined: Feb 2010

Posts: 12,367

Likes: 23

From: Oroville, CA

Year: 1995

Model: Grand Cherokee

Engine: 4.0 with all of the noise and clatter

Those items are drawing more power than the alternator is puting out at idle.

Mar 24, 2011 | 06:20 PM

GreenZJ94

Newbie

Joined: Mar 2011

Posts: 22

Likes: 0

From: Colorado

Year: 1994

Model: Grand Cherokee

Engine: 5.2L V8

thats normal. means the regulator is doing its job

Mar 24, 2011 | 07:21 PM

tiwvr1

CF Veteran

Joined: Mar 2010

Posts: 1,030

Likes: 2

From: Elizabethtown, pa

Year: 1994

Model: Cherokee

Engine: 5.2

How much was it dropping? I dont believe mine ever dropped below 13 volt at a light with full load on, of course I have a optima battery also, so maybe helping a bit.

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