LostHIlls Posted May 3, 2007 Report Share Posted May 3, 2007 Newbie here, I just got the D3 and I am going to install it pretty soon. My question is, where do I find the VSS, PARKING BRAKE, AND BACKUP wires on an 04' GMC ENVOY w/o bose, onstar, and nav? Thanks in advanced. Quote Link to post Share on other sites
vicn77 Posted May 3, 2007 Report Share Posted May 3, 2007 Reverse Light lt. green + fuse box under left rear seat Parking Brake lt. blue - switch or BCM, blk plug, pin A4 The BCM is attached to the fuse box under the left rear seat. Speed Sense dk. green/white PCM 4.2L: The PCM is attached to the driver side of the engine. VSS is in the blue plug, pin 32. 5.3L: The PCM is near the lower front driver side of the engine. VSS is in the green plug, pin 50. Quote Link to post Share on other sites
LostHIlls Posted May 3, 2007 Author Report Share Posted May 3, 2007 Thanks for your help. Now I can hook up my Radio! Quote Link to post Share on other sites
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