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Message: <blockquote data-quote="i3abyjay25" data-source="post: 284512" data-attributes="member: 544369">ok. no i have replaced my stock 60 amp alt w/ a 150 amp alt.. i havbe the factory battery up front and a optima yellow in the back..i went yesterday to have my alt checked.. it tested fine.. putout 160 amps... they also checked my factory battery.. and they said it was fine as well...today i checked my optima battery... and the ground wire was very hot...which isnt right... so, when i got home.. i re did the ground wire.. ok...w/ the ground off the optima.. my stock battery tested in at 11 w/ it off... the optima tested in at 12.4 w/ no ground wire... w/ engine turned off....ok, w/ the optima ground off, i tried to start my engine... it wouldnt start.... i hook up the new ground.. it does start... but still have low voltage....what is it???</blockquote>

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