Having problems with your Chevrolet Lumina APV ?

Vehicle running off of battery only. Replaced alternator didnot fix. Could you please email me the in and out voltages for the alternator and where they come from and go. I donot have electrical manual. Also, to make sure it is the charging system I disconnect the battery, Thanks. Email is [email protected]

Posted / edited by AnonymousUser on : 19-03-2018

Answers :

If its a 3.1 it should have a lead from the alternator going down to the battery stud on the starter with a fusable link, (not a fuse) it usually looks like a black rubber block. doing a continuity test with the lead detached will tell you if its good or not.\012 you can buy replacement fusable link at an auto parts store. \012you can also test it by running a jumper wire from the large stud on the back of the alternator to the positive battery stud. your battery voltage should come up to about 14 volts.
Although most regulators are integrated into the alternator, yours may not be, so trace any lighter (smaller gauge) wiring to where it ends to see if you have a separate regulator.\015\012By controlling the current through the armature of the alternator, the output voltage is affected and reduced once the battery has reached full charge.\015\012The regulators are fairly small devices (< 2" squared) and have aluminum or sometimes ceramic bases.
Repair Help & Product Troubleshooting for Chevrolet Lumina APV

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