sub ground

[NOreasonY]

can't figure out how to get to the "seat belt bolt" where else can i get a good ground on the sub...found a bolt on the back corner of the seat under the faberic but its not a good ground. help!

[CodeRed]

Anything that is a piece of metal attached to the frame.

[NOreasonY]

i know what a ground is...im asking wheres a good place to ground a sub in the trunk area short of drilling holes into metal. how do i get to the seat belt bolt?