91` dakota V8 charging problems

[JSVIC1]

Battery wont hold charge, battery is good , alternator is good, what left plesae help. Thanks JOHN

[jdl]

I know I'm a few days late. With everything turned off, what's the reading across the battery posts? With the vehicle running, what's the reading?

Do you think you might have a battery drain? Are there any interior lites, trunk lites, hood lites, glove-box lite, that stays on all the time?

[lonman]

could be your ecm computer mine was bad-same symptoms. can be expensive to replace

[ctwright]

I seriously doubt it is your computer.

With the vehicle off, all doors shut, hood open, no lights on, disconnect hoodlamp if you have one. Unhook one of your battery cables. Then take a test light, and hook the clip end to the terminal on the cable you took off the post. And then touch the other end to the post. If the test light lights up, you have something draining your battery down, maybe a short, maybe something staying on.

If it lights, then hook the battery back up, get into the fuse box inside wherever located and pull your fuses one at a time, check from one socket to the other with the test light, and keep doing it till you find which one makes it light, and your problem is in that circuit. Hope that helps. Also make sure when your in the car checking that way that you have your door shut and no lights on.