Question about 1997 Chevrolet Astro
If you have no shorts that are draining the battery you may have gotten a defective alternator. Cheap rebuilt or remanufactured alternators from Mexico are common. I have bought 2 that failed to function right from the parts store. Poor quaility control at the plant. Ask them to check it a Autozone or Advance auto . They do this at no charge. Because of the difficulty and lack of space to work in the cramped quarters of a van. have the parts checked before you pay for it. It stinks when you have to do this once on a van anything more is infuriating. It best to have it tested before you accept the part, and only takes a minute when it is out of the vehicle. Good luck with your van. I will never buy another without having it tested before I leave the store. ever.
Posted on Aug 23, 2010
Look into putting new battery cables on the van. I had charging problems with my suburban before I changed mine. Hope this helps.
Posted on Aug 05, 2010
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Posted on Jan 02, 2017
Check the ground cable at both ends for a good tight and clean connection. also check that the alternator is grounded. You don't say if the battery goes dead over night or how you think it is not charging but if it takes over night. You need to check for a draw on the battery. You can do this by making sure all doors etc. are closed and things are off. Then disconnect the negative cable from the battery and hook a test light between the battery and the cable end, if it lights you have a draw. Something is on and draining the battery. Then you have to find what is draining the battery. You can pull fuses one at a time to find the circuit and go from there to pinpoint the cause
Posted on Dec 20, 2009
SOURCE: 97 checvy astro 4.3 6cyl. I
i recommend charging your battery for a few hours. disconnect charger and with a volt meter check the voltage as the car sits with no load. it should be around 12.5 vdc. keep watch on the meter while starting the van. you should not see a voltage drop below 10,8 with a good battery. once the van is running 13.4 volts is a good charging system. anything under 12.5 would indicate a bad regulator. after that if the van is charging correctly make sure every thing inside the van is turned off and the key is out of the ignition and remove the negative battery terminal for 1 minute. pay close attention to battery post when reconnect to watch for sparks. if sparks are present you have a battery drain from inside the car causing the battery to die while not in use
Posted on Feb 12, 2011
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Go to online site of autozone, oreillys...etc and you may have to register but they have free online step by step manuals.
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