Quote:
Originally Posted by Mrmerlin
based on the info provided,
you need a new battery.
Also pull the regulator from the alternator and inspect the brushes,
if they are worn replace the brushes or replace the regulator with another Bosch unit .
do not use aftermarket parts for the regulator
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I would agree with that mmerlin, in regards to the battery. After fully charging the battery last nght, I took it to another local auto parts store (the second test) early this morning, and it also passed as being a good unit. The battery is about 8 months old, and believe me I was hoping it was (the battery), as it is still under warranty. They swore that the battery would not pass the test if the tester detected a 'bad cell', but I have my doubts. Also, I will mention that the vehicle behaves the same way when adding power from another source (jumper cables, battery booster, etc).
It seems be a faulty grounding issue; however, you bring up an interesting point - would a faulty regulator cause such an issue? Does the regulator 'amplify the output' when starting?