Hey does any one know if the 2001 GMC truck head lights work off of a ground side switch or power side? I would like to put some wig wag police lights on my truck.
Hey does any one know if the 2001 GMC truck head lights work off of a ground side switch or power side? I would like to put some wig wag police lights on my truck.
http://i107.photobucket.com/albums/m...smoke118-1.jpg
2001 GMC Z71 with 4.3L V6 flowmaster mufflers and intake spacer with a K&N cold air intake and a super coil along with under drive pullys and mudd terrian tires
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