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<blockquote data-quote="Yankeesfan239" data-source="post: 7755482" data-attributes="member: 641593">Well I hate to make another post because there&#039;s tons of them out there about this upgrade but mine might be a little different, well I went to the local car audio shop, and they told me that they never heard of the big 3 and that just upgrading the 3 wires pos battery to pos alt, and negative battery to chasis and engine ground they said would do nothing at all and they told me the only way to stop the small light dim I get is to have them install a gel cell battery $425 installed and they said that will solve all of my problems, well after looking online most posts said that the big 3 is the best and cheapest method to do cause you can get all the wire u need for under $30 or sowell my question is because I have such a small engine bay is it ok if i just change out the wire from pos battery to pos alt and the negative battery to the chassis and skip the engine ground one because my engine bay is so small i have like no room to work with at all lol and I would think that i would need a lift to ground the last wire which i am unsure of what would actually be grounded lol IDK if its a wire from alt to engine or a wire from engine to chasis I am unsure maybe somone can clarify that for me.one last question should I just replace the stock wiring or add on to it ? the stock wiring is like 8 gauge from the looks of it and I would use 0 gauge because it&#039;s thicker obviously, and do I really need a fuse for the positive battery to positive alternator the stock wiring doesnt use one</blockquote>

[QUOTE="Yankeesfan239, post: 7755482, member: 641593"] Well I hate to make another post because there's tons of them out there about this upgrade but mine might be a little different, well I went to the local car audio shop, and they told me that they never heard of the big 3 and that just upgrading the 3 wires pos battery to pos alt, and negative battery to chasis and engine ground they said would do nothing at all and they told me the only way to stop the small light dim I get is to have them install a gel cell battery $425 installed and they said that will solve all of my problems, well after looking online most posts said that the big 3 is the best and cheapest method to do cause you can get all the wire u need for under $30 or so well my question is because I have such a small engine bay is it ok if i just change out the wire from pos battery to pos alt and the negative battery to the chassis and skip the engine ground one because my engine bay is so small i have like no room to work with at all lol and I would think that i would need a lift to ground the last wire which i am unsure of what would actually be grounded lol IDK if its a wire from alt to engine or a wire from engine to chasis I am unsure maybe somone can clarify that for me. one last question should I just replace the stock wiring or add on to it ? the stock wiring is like 8 gauge from the looks of it and I would use 0 gauge because it's thicker obviously, and do I really need a fuse for the positive battery to positive alternator the stock wiring doesnt use one [/QUOTE]

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