2004 stratus big 3?

[Xjeff 10+ year member]

Ok so I was doing the big 3 on a buddies 2004 dodge stratus and I noticed the stock wires only has the batt + to alt + and then batt - to frame. But no batt - to engine block, there's a wire from the frame that the batt - connects to that leads to the engine block. So should I just add the big 3 wire from the frame to the block, or run the big 3 from batt - to the same block ground? Well for now we did a big 2 upgrade lol, but plan in doing something tomorrow with it, cus it still didn't fix the lights dimming.

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[NASTY08IMPALA 5,000+ posts]

U wana ground to alt case ..power to alt and ground to frame

 

[Xjeff 10+ year member]

So the battery - to the alt - ?

 

[Tenacious]

Most alternators don't have a negative... The case itself is the ground for the alternator and it is ground through the engine block which usually has a tiny wire run to a chassis ground. Do a run of wire between a chassis ground and the engine block or the alternator case, either will work.

 

[Tenacious]

Most alternators don't have a negative... The case itself is the ground for the alternator and it is ground through the engine block which usually has a tiny wire run to a chassis ground. Do a run of wire between a chassis ground and the engine block or the alternator case, either will work.

 

[NASTY08IMPALA 5,000+ posts]

Yes ground the alt from batt to the case of the alt ..one of its mounting bolts

 

[NASTY08IMPALA 5,000+ posts]

Yes ground the alt from batt to the case of the alt ..one of its mounting bolts

 

[Tenacious]

Also a commonly overlooked detail... Sand ALL paint off of ground points. You might as well have stock wiring if your grounds have paint all over them.