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wildcat07
09/07/2009, 1:20AM
About: 2006 Chevrolet TrailBlazer LS
volt meter
when idling or at a red light.my volt meter lowers to about 10 to 11 amps also hums but as soon as i take off it goes to 14 amps. i do not have any problems starting the car at any time. can you please help.
Cobalt_1236
09/07/2009, 11:58AM
I have a 05 ls and it does the same thing i do not know either...sometimes in the morning i notice it cause i will see my head lights dim and the gage drop then i will climb back up to 14
Clipper_76
09/07/2009, 1:30PM
sounds like u need a new alternator there dude, i known s-10's to do that a lot.
Skylark_146
11/11/2009, 2:58PM
i'm not exactly a machanic but am in a automotive college. and i would definately have your alternator checked out
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