05 cobalt ls ecotec, big 3 HELP!!

[basswiigee]

hey, trying to do big 3 in a 05 cobalt ls ecotec, god, is this thing cramped... anybody know where the engine ground is? and seeing as batt. is in trunk, best way to run alt+ through drivers side, or drill through passenger side?

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[robert420 10+ year member]

find the existing block ground and trace with new wire

 

[Checkers]

Just did an 05 cobalt ss and I drilled a hole in the pass side and ran the wire that way.

 

[basswiigee]

find the existing block ground and trace with new wire

thats what im looking for! lol things so cramped, had to remove like 2 pieces of plastic to even find a alt, that i can barely get too...

 

[jasonbillnelson 10+ year member]

Alt will probably have to be reached from under the car. I would drill hole on passenger side and run it back