Question about Cars & Trucks
Charges ok some times not the next already replaced alternator
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Posted on Jan 02, 2017
Hi, I can't tell you exactly what is wrong because there is too much involved at this point, what with 2 shops working with it, but I can give you some advise on what else to check. On the alternators and the wiring that supports them a small volt charge is taken off one of the slip rings, where the brushes ride, for the purpose of turning out the light. As I remember, this is a yellow wire that runs back to the dash.
To the alternator, it would be one of the wires that plug into the side of the alternator case.
Posted on Nov 27, 2008
Remove negative battery cable.
Remove the electrical plug and wireing. Mark them.
Loosen the alternator pivot bolt.
Remove the bolt that attaches the alternator to the adjustment arm.
Rotate the alternator to loosen the drive belt and disengage the belt from the pulley. Be careful that any spacers that are used in mounting are kept with their original bolts. This will make correct reinstallation much easier.
While supporting the alternator remove the pivot bolt.
Remove the alternator from the vehicle.
Do the reverse procedure to install new alternator.
Posted on Feb 03, 2009
do a continuity test from the large red wire on your alt to the battery,could be a fusible link or broken wire,sometimes a wire will break within the sheathing so it won't be visible by eye,check all conections for corrosion and either clean or repair
Posted on Feb 21, 2009
I had the same problem on a 94 dodge with the cummins. It seems the crank sensor that reads from a notch on the harmonic balancer was the problem Without this sensor reading that the engine is running the alternator wont charge. Possibly the same problem with yours
Posted on May 03, 2009
If you replaced the alternator and you have checked all fushes and wires. you most likly recieved bad alt. I would take it off and have it tested.
Posted on Jun 02, 2009
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