Question about 1994 GMC Safari

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Alternator and belt keep going bad every 6 months

When i turn on all power in van ac, lights, the voltage seems to go down at times it will stall took alternator back to auto parts store they say it was good checked battery too it is fine can not figure out what the problem is been dealing with this for 1 year now.

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Sounds like you have a belt aligment issue, have that checked.

Posted on Feb 21, 2012

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2002 Kia Rio the battery keeps dying while the car is running and the lights keep going down in the windshield wipers running real slow its got a six month old alternator the lights and turn signals go...


Charge the battery start the engine and confirm that the voltage at the battery is about 14 volts with engine running . If not it is likely the alternator is bad or the electrical connections from the alternator to the battery are defective.

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If it is under 12 and continues to drop trouble shoot for battery drain. If you suspect the radio pull the fuse and observe.

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Alternator and belt keep going bad every six months do u no y????


You said the alternator and belt. If both have to be replaced every time I would be looking for an alignment issue. Pop the hood and look down the side of the belts from the side of the truck. Do they look to be straight or is there a slight bend? Use a straight edge if necessary to get a good look. You may need to shim the alternator to get it straight.


If the belt is wearing out then it's probable that it is pulling harder on one side of the alternator pulley creating undue stress on the bushings (not bearings) inside the alternator. This would eventually cause them to wear uneven and throw everything inside out of line. Hope this helps.

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2003 Ford Windstar----I had battery light, abs and brake light intermittantly coming on. Found that alternator was over charging and there was a bad wire overheating going from battery and fuse panel. ...


Hello, It could be what you said. But if you know the Voltage was too high, you may want to replace the Ignition Relay and the Fuel pump Relay. If the contact points are cooked, they could work intermittently and it would be difficult to test. A bump or a little overheating could cause the contact points to break loose and then work when they cool.

It is good that the "check lights" are off. I always tell my clients that the scans are free at Autozone, Oreillys, and Advance. Some things like Relays may not trigger a light.

Be careful with a Wiggle test, but you may find a short in the wiring by shaking the wiring under the hood. I doubt the Voltage Regulator is causing your current stalling problem. A fully charged Battery without a Regulator or an Alternator would provide an amount of reliable power until the Battery was drawn down.

I hope my Solution is very helpful.

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