Thread: boost gauge 2004 grand prix gtp need help

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  1. #1 boost gauge 2004 grand prix gtp need help 
    SE Level Member justin10morrissey's Avatar
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    which wire can i splice for the light on the boost gauge that will turn on when the headlights are on? pictures diagram wire color anything will help. its an 2004 so its the new body style
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  2. #2 Re: boost gauge 2004 grand prix gtp need help 
    I live here. brandonl2000's Avatar
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    another thread for the same thing?
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  3. #3 Re: boost gauge 2004 grand prix gtp need help 
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    Just tap any hot wire, or do an add-a-fuse with a toggle switch.... because racecar
    1978 F250 2wd (460 c.i.d. / C6)- soon to give up the powerplant to an '80-'86 F150
    White 2000 Grand Prix GT coupe
    One still slow and loud... other one scoots just a bit.

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  4. #4 Re: boost gauge 2004 grand prix gtp need help 
    SE Level Member justin10morrissey's Avatar
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    any hot wire will keep it on all the time which one on the dimmer switch can i use anybody have a wiring diagram? and i had to do it on another one because everybody on there kept arguing over some stupid shyt
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  5. #5 Re: boost gauge 2004 grand prix gtp need help 
    GTP Level Member joshv's Avatar
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    orange wire on the stock radio is one

    2005 GXP / Cartuning Turbo Kit / meth / Cutout / Ported LS4 intake Manifold / HP Tuned / Custom 3" Cat-Back / Highflow Cat / SSC Springs / Poly Dogbone Mount's / 2nd Tranny /
    ( p/o track time12.6@109mph 1.7 60ft )
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