Big 3 Upgrade on GA [Archive] - GrandAmGT.com Forum

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strings
02-10-2009, 11:50 PM
Has anyone actually even done a Big 3 upgrade on their GA?? Can it be done with the factory alt? I've included some pics of my alt if that helps. As well, just to clarify...I'm not sure if I can add the newer/lower guage cables where the existing OEM ones are, ie. Battery Negative to Chassis and Chassis to Engine Block, because everything in the engine bay seems a little cramped. I thought it might be easier if I just made new connections...would that work? or would that not be advised? BTW, this upgrade would be performed along with the addition of a deep cell battery.

H.O. Driver
02-11-2009, 05:42 PM
Oh yea, lots of people have done bigger better cables. It puts less strain on the alt too. Hell even with a stock stereo the GA's lights will dim. I know Iceman has done it before, he had lots of electrical items going on in his car.