Remote turn on on stock HU

[blindskater1213 10+ year member]

What wire would it be?

Its in a 2002 grand prix gt

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[fbi90909 5,000+ posts]

from an aftermarket headunit? the blue one..

if it's from your stock head unit then tap into the red wire.(i think) if not it may be the yellow wire.. but i am for sure it's the red.

 

[blindskater1213 10+ year member]

Stock one, yeah

 

[GMCJimmyslt2000 10+ year member]

find any wire that turns off with the key.... If u have dmm it will make it easier. If u dont have a dmm, look up a wiring diagram for ur make/model online.