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sprinkles08, ASE Certified Technician
Category: Jeep
Satisfied Customers: 22822
Experience:  Chrysler/Dodge/Jeep Master Certified, ASE Master and Advanced Certified, Trans and Hybrid Specialist
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1995 jeep grand cherokee: has new alternator

Resolved Question:

my 1995 jeep grand cherokee has new battery,new alternator does not charge,what now?
Submitted: 5 years ago.
Category: Jeep
Expert:  sprinkles08 replied 5 years ago.

Hello and welcome to JustAnswer!


Do you have a voltmeter and a test light to do some electrical testing?

Customer: replied 5 years ago.
Expert:  sprinkles08 replied 5 years ago.

Make sure the connections at the alternator are clean and tight and there is no damage to any of the wiring there.


Make sure there is no corrosion at the alternator's mounting surface causing it to not be grounded.


Make sure there is no damage to the alternator's positive cable going back to the power distribution center, the connections at the PDC are clean and tight.


Make sure there are no blown fuses.


From there it will take some electrical testing to see what is going on, short of replacing parts not knowing if they're bad. If it's not charging then the problem is the alternator, wiring, or powertrain control module (PCM). PCM failures in this way aren't common but it does happen.

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