Battery drains while driving

Asked by tee87jay Dec 18, 2014 at 06:27 PM about the 1998 Dodge Durango SLT 4WD

Question type: Maintenance & Repair

I will charge my battery and over about 2 days of driving it will die. If i do not drive it then it is fine. My speedometer goes crazy all the time now and my gas gauge will mess up every now and then. I have replaced the battery and the altenator. the altenator is charging. Just need help trying to figure out what is slowly draining the battery while i drive?

6 Answers
25,275

Mark answered 10 years ago

There shouldn't be anything draining the battery while driving. I know you said it's a new alternator, but new parts are sometimes bad too. Sounds like the regulator may not be working correctly. Do you have a voltage reading on the cluster? With the car running it should be reading 12.5 ~ 13.5 volts under normal load. I would recommend having the alternator tested.

Mark helpful
80

nofords answered 10 years ago

If your gauges are acting up especially the speedo. You might want to look at the pcm. I had a dodge van with the identical problem. Swapped the pcm and haven't had a prob since.

Mark helpful
30,540

mikeatpriestlake answered 10 years ago

have the battery load tested when fully charged. if it shows 9 volts or less then the battery itself is bad.

Mark helpful

tee87jay answered 10 years ago

battery is good. altenator is charging. while im driving.if is top atleast 6 times at a store its liking startig it is raining it.

Mark helpful

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