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Voltmeter problem

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Old Dec 27, 2005 | 11:39 PM
  #1  
Z28LS1camaroguy's Avatar
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Default Voltmeter problem

ok well when i start my car the voltage is all the way up past the three quarter mark on the volt gauge, then after driving alittle bit and letting her warm up i notice the voltmeter jumps around some. it will go to 13 and jump up alittle while idling, then when i start moving it goes up and doesnt move around its close the three quarter mark when driving but drops at idle. could it be my system causing this or my new spark plug wires they are 10.5mm taylor wires. i have a new red top optima battery in and starts just fine no hesitation at all, i am gonna be getting a ASP underdrive pulley here soon should i get a overdrive alternator pulley aswell??
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Old Dec 27, 2005 | 11:47 PM
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DrivenWS6's Avatar
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mine does the same thing and always has since i got the car and wondered if it was normal. My battery has never went dead so my alternator must be charging.
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Old Dec 27, 2005 | 11:56 PM
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yeah i think its just all the **** i have on it, my system does hit hard and it started after i got it installed. i think the amp may be to little to supply the right power so it is draining power, its a 120 amp supplying a 10 inch JL. i think i should upgrade to a 500 watt amp.
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Old Dec 28, 2005 | 12:37 AM
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The stock guage is pretty much a dummy light so its not real accurate.
Test it with a volt meter to get an accurate reading.
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