We have taken it to AutoZone and they ran a test on it. the test said that there was a short in the car somewhere. we have had to replace the ECM 3 times in the last 2 yrs. for some reason, the instrument cluster will start blinking, the car will hiccup (sometimes not even crank), stall, not turn over, at one time and point the TSP was throwing a code (until we replaced the ECM) we have taken it to the best 'vette doctor' in town, but he says he thinks its a wire grounding out but can not find it
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Clean the battery terminals and cable terminals. Hook battery back up. Try to start again (with or without jumping). If it starts , make sure the charging system is working. If you have a voltmeter (or gauge in car dash). You can drive to autozone, Oreillys or most auto parts and they will check the battery and charging system free of charge.
Usually a sign of something draining the battery. The machine test probably showed the battery could hold a charge and the alternator was charging the battery. You may need to have someone check for a power drain. When the key switch is off, there may be a weak short to ground or a relay or component that is using power.
Check you alternator. You can do this either by taking it to your mechanic or take it to autozone and they will test it for free. You can test it yourself too by starting the car and then disconnect the battery from the car. If the car shuts of its more then likely your alternator. If it doesn't shut of change your battery.
all though your battery showes full charge you may have a dead cell replace the battery and take old one to a chevy dealer and get your mony back bring your recept I like sears die hard batterys best only one mans oppion good luck CJ ps I had the same problem with my vett 2008
I would say that this may well be a coincidence. The alternator had its own circuitry in it to regulate its output wich, i suspect, is the problem...the good news is that many ap stores can test an alternator on site so you know for sure before spending your money; better yet bring it to a real expert- and auto electric shop- the rebuild alternators and electric motors on site as well as test and diagnose the alternator for you.