no, he is talking about the power ground for the charging system. with the upgraded alternator, you wired in the 4 gauge power wire (from alt to solenoid). you also need a strong power ground for the additional output (remember that juice flows from ground to positive). you dont want insufficient grounding.5spd GT said:My 4guage wires runs from my alternator to the starter solenoid (the one with all the wires on it)...been running like that for almost a year now...is that what your talking about...
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