pos vs neg

[king ranch]

how can you find out which wire is pos and neg on th dmm wat setting do i use

[bass-aholic]

seriously??

[btdickey99]

set the dmm like you usually would when checking voltage....use the pos on the dmm..... put that on one wire and the other to a local ground.....which ever one reads is pos

that make sense?

[btdickey99]

seriously??

unfortanetly

[bass-aholic]

set the dmm like you usually would when checking voltage....use the pos on the dmm..... put that on one wire and the other to a local ground.....which ever one reads is pos

that make sense?

Yepp, IF its 12V hot. not if its a 12V input of some sort.

[Ferendon]

Probe the power and ground. If it's +12v then just go by the DMM leads. If it's -12v, then reverse the leads.

[king ranch]

ok thanks and yes seriously bc the subs are mounted in the box and dont want to take them back out

[bass-aholic]

So your trying to figure out the subs positive and negative terminals? Thats different.