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2009 Pontiac G8 Base 4dr Sedan

2009 Pontiac G8
Trim Info:
Rear Wheel Drive, 4 Door Sedan, Large Sedan
17 mpg city / 25 mpg hwy
Other Trims
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June 16, 2011, 3:30 pm

Gage R

Question: where is the voltage regulator located on my 2008 G8 GT and are there any test i can do at home

iam a mechanic in the us army and i know a good deal about vehicals but am have trouble finding the voltage regulator on my car and is there any test i can do with a mutimeter to determine wether or not it is the regulator or the altenator its self?


June 20, 2011, 11:06 am

Elizabeth K

Hmm... I didn't know the Army has external voltage regulators on it's equipment. That's interesting. Basically, anything made for a civilian car in the last 20 years is internally regulated (inside the alternator). Just make sure the problem is not the belt or a bad connection at the battery cables, and replacing the alternator will cover it.

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