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Jerry, Master Mechanic
Category: Dodge
Satisfied Customers: 1754
Experience:  ASE Master tech, 30 years exp. troubleshooter, driveability tech
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New alternator, new battery, but won't hold a charge. It's a

Customer Question

New alternator, new battery, but won't hold a charge. It's a 1998 neon, I've replaced the starter and the battery a few months ago. Was driving at night, lights dimmed slowly until they went off then the car stopped.
JA: Just to clarify, what are the exact lights you're talking about?
Customer: My headlights..
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I've replaced the alternator and the battery has been tested and comes up as good. Alternator was tested and came back good, but won't charge there battery.
JA: Anything else you think the mechanic should know?
Customer: Not that I can think of.
Submitted: 1 year ago.
Category: Dodge
Expert:  Chris replied 1 year ago.

Hello, my name is ***** ***** I will be assisting you today. Sounds like the charging system has failed. Besides the alternator itself, the 2 other things that will cause this is an open fuse link, or a failed PCM (engine computer). The PCM is responsible for running the engine and for controlling the alternator voltage. Do you have a 12 volt test light handy?