Question about 2001 Chevrolet Astro
Takes 5 to 10 min to charge enough to start then runs fine no dimming and such. When I turn it off It needs charging I lied,while driving the radio sometimes shrieks then dead air then radio again
Take the battery to an auto store. They have an amp meter to test it with. Check for poor connections at the back of the radio. If it's wired to a hot lead and not the ignition ( key on) or aux, my old cd player would turn itself on and run down the battery while parked. For me, bad radio.
Posted on Nov 10, 2013
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Posted on Jan 02, 2017
thats a good question. very hard problem to fix. i had a 2005 colorado i went through 4 batteries in 3 years. chevy could not find problem. they said i had a drain. never did find it sold vechicle.
Posted on Feb 25, 2009
, do a simple test on the charging system...check battery voltage. should be 12v or better. start engine & check volts at idle, no accessories on. volts should read 13.5 -14v. Turn on all accessories(including headlamps on high) volts should drop slightly but should not creep down. Definitely not below 12.5. If voltage drops lower than 12.5, the regulator (in the alternator) is not working. either change regulator or change entire alternator. Alternator drive belt should have sufficient tension so that alternator cannot be turned easily by hand. If it can, check belt tensioner.
Posted on Mar 18, 2009
it sounds to me that you could just have a bad connection at the battery post. look to see if there is any corrossive build up on them. this can happen over time. it is also possible you have a dead cell in the battery. your best bet is to remove the battery and take it to any major auto parts store. most of the major retailers will check the battery free of charge. hope this helps
Posted on May 18, 2009
Get the Battery tested.Check and clean the battery posts and wire clamps .Check and clean the earth (-) wire where it bolts to the chassis and block .Also when you changed the alternator did it have good connection / Plug to the loom (sometimes these corrode causing bad connection).
Has the alternator got an internal or external voltage regulator if its external the fault could be there.
Hope this helps.
Posted on Jul 23, 2009
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