Best ground placements for a sedan

[DirtyDief]

im puttin in 2 amps in my 1995 bonneville and im wondering where the best place is to put in grounds. i tried the top back bar under the speakers and its really shitty

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[ANeonRider 10+ year member]

Trunk floor.

 

[JimJ 5,000+ posts]

anywhere you get as close to 0 ohms as possible...run a lead back from the neg. terminal on your battery, and use your DMM to find where there's good continuity.