xoliex Posted March 10, 2008 Report Share Posted March 10, 2008 i will be putting yet another d3 in my wife's mustang gt and i don't know if the harness is the same as my f150. does anybody know where the vss wire is? on my f150 it was easy because it was right on my radio harness. i know there haves to be somebody else who has installed it on a mustang! Quote Link to post Share on other sites
xoliex Posted March 21, 2008 Author Report Share Posted March 21, 2008 anybody know?!?!?! maybe and possibly is it the gray/black wire as well as most newer fords?!?!?! Quote Link to post Share on other sites
offroaderf150 Posted March 21, 2008 Report Share Posted March 21, 2008 i believe its a blue/yellow wire at the pcm in the engine compartment on the passenger side near the front. i have an 07 gt as well, and on the stangs, the vss and illumination wires arent behind the radio...theyre a computer signal that feeds that to the radio. Quote Link to post Share on other sites
installermarc Posted March 21, 2008 Report Share Posted March 21, 2008 Yes, it is blue/yellow at the harness coming from the ecm, under the power disribution on the pass side. If you have the GT premium, Bullitt, or GT500, then you likely do not have a switched power, either. Switched power can be found and the smart junction box in the pass kick. so can illumination. Quote Link to post Share on other sites
offroaderf150 Posted March 21, 2008 Report Share Posted March 21, 2008 i have a gt/cs (cali special) premium coupe...theres a switched wire back there...thank goodness ford hasnt gone that route..yet Quote Link to post Share on other sites
xoliex Posted March 21, 2008 Author Report Share Posted March 21, 2008 my wife and i (mainly wife's car) have just a plain jane gt mustang. can you guys give me more info because i'm not all that great on brand newish motors. i'm mostly a old school carb and dizzy car guy. the ecm i'm thinking is a electrical computer module and i'm not exactly sure where thats at. could you guys provide pictures? is there a grommet in the mustang to put that wire thru? on my f150 there are several nice grommets all over to run wires thru. i hope this mustang does too. is this wire hard to get to?!?!?! Quote Link to post Share on other sites
xoliex Posted March 22, 2008 Author Report Share Posted March 22, 2008 could anybody help me out with this?!?!?!?! Quote Link to post Share on other sites
installermarc Posted March 22, 2008 Report Share Posted March 22, 2008 On the passenger side of the car, there is a nice grommet to go through, but you need to make a HARD left turn to get out into the engine bay. If you pull the battery and it's tray out, you can feel the grommet, just can't see it from under the hood. On the shops demo GT500, I was able to get a 1/0 wire under there (I drilled a hole right next to the grommet) without too many problems. Just look at the pic I've attached to see where I'm talking about. (Sorry about the size.) Quote Link to post Share on other sites
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