volt meter

Asked by wildcat07 Sep 07, 2009 at 01:20 AM about the 2006 Chevrolet Trailblazer LS RWD

Question type: Maintenance & Repair

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.  

3 Answers
15

Steven answered 14 years ago

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

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15

Michael answered 14 years ago

sounds like u need a new alternator there dude, i known s-10's to do that a lot.

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125

Jim answered 14 years ago

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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