TrailBlazer 2002-2009
The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

random charging problem

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Old January 21st, 2015, 1:15 PM
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Default random charging problem

Randomly the alternator stops charging. The battery light comes on. I've taken the alternator to 2 different places and it checks out ok. You can turn the car off and on a couple of times and it starts working again. I've cleaned and tightened the connections on the Alternator and battery. Any suggestions.
Old January 21st, 2015, 1:35 PM
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Welcome to the forum...

Need to check your ground cable and the strap to the engine and body....
remember the ground wire closes the electrical loop...
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