Thread: what is the normal voltage for a 2004 Comp G?

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  1. #1 what is the normal voltage for a 2004 Comp G? 
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    I have a 2004 comp g and my voltage meter says I run about 14.3 at idle and between 14.4 to 15.10 while driving. Is that normal? The reason I ask is because when I start the car I notice my interior lights flicker slightly and my headlights do too when im driving. Ideas?
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  2. #2 Re: what is the normal voltage for a 2004 Comp G? 
    Turbo is the way to go. REDCRAPGP's Avatar
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    14.4 is what I get
    Squirrels are my engine. I need a Ford Regal
    04 Comp G.
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  3. #3 Re: what is the normal voltage for a 2004 Comp G? 
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    For the interior lights and flickers. Clean the grounds or do the big 3 upgrade. Also there's a ground for the headlights directly behind them clean those as well.
    Squirrels are my engine. I need a Ford Regal
    04 Comp G.
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  4. #4 Re: what is the normal voltage for a 2004 Comp G? 
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    Big 3? Idk what that is. Also are cleaniing wires difficult?
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  5. #5 Re: what is the normal voltage for a 2004 Comp G? 
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    Quote Originally Posted by Gohan77 View Post
    Big 3? Idk what that is. Also are cleaniing wires difficult?
    Basically upgrading the weak ground and power wires GM uses up something beefier. I think stock is like 6 gauge so guys tend to you 0 or 2 gauge. Ill find you a thread about it here shortly.

    Simple to clean. Just unhooking the wires and wire brushing the studs or bolts they connect and sanding the area around it.
    Squirrels are my engine. I need a Ford Regal
    04 Comp G.
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  6. #6 Re: what is the normal voltage for a 2004 Comp G? 
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    Squirrels are my engine. I need a Ford Regal
    04 Comp G.
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  7. #7 Re: what is the normal voltage for a 2004 Comp G? 
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    So 14.4 to 15.10 volts while running is normal?
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  8. #8 Re: what is the normal voltage for a 2004 Comp G? 
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    Yup mines been that for the last 5 years or so. A healthy battery and good alternator would do that.

    The alternators job is to charge the battery so that the battery doesn't get below 12v or so. So that you can crank the car.
    Squirrels are my engine. I need a Ford Regal
    04 Comp G.
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  9. #9 Re: what is the normal voltage for a 2004 Comp G? 
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    Awesome so is the flickering a bad thing if left to continue?
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  10. #10 Re: what is the normal voltage for a 2004 Comp G? 
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    Not really might put a little more wear and tear on the bulbs but that's the only con I can really think of.
    Squirrels are my engine. I need a Ford Regal
    04 Comp G.
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  11. #11 Re: what is the normal voltage for a 2004 Comp G? 
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    Thanks I appreciate the help
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