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.

Battery light

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Old February 4th, 2016, 6:07 PM
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Default Battery light

Battery Lite is dimmly lit when driving around,,but now stays dimmly lit( when key is not in switch),when starting it light's up bright with the rest of the lites, then dims back down..could there be a a ground problem at the alternator or in the dash, my amp gauge says charging fine,has full battery charge when starting.

Last edited by Mick05679; February 6th, 2016 at 6:13 AM.
Old February 4th, 2016, 9:24 PM
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check the charging system voltage at the battery with the engne off and then running.

year engine?
Old February 5th, 2016, 11:12 AM
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Originally Posted by tech2
check the charging system voltage at the battery with the engne off and then running.

year engine?
2004 trailblazer 6 cyl




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