Quote:
Originally Posted by blazer4819
I bought a 96 blazer from a woman who took great care of it, all maintainence, kept all the records etc. I drove it home a bout 40 miles and the service engine soon light comes on. The car slill runs fine but now the battery light comes on after a few minutes. If I rev it up to about 2500 rpm it goes out but comes right back on when the rpm drop. I removed the alternator and had a napa store check it , perfect, no problems. Next I put a different battery in, same deal. The wiring looks great, all connections are clean and tight. Where do I go next, the dealer? The car has 160000 miles and is an LT, loaded. Thanks in advance for any ideas.
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Make sure the different battery is good.
What is the battery voltage reading off and then with engine running?
Pull code for check engine light and post back code no.