Thats what I was thinking too. Unfortunately the print out Ford gave me does not show power or ground, just the 2 wires that go to ecu. I know which is power from checking it with a test light, but is the 4th wire ground or does it ground itself on the exhaust?
04 ZX3 RIP [Best Non-SVT FITF12][3/13 ROTM][7/14 ROTM][2014 ROTY][Best Engineered FF14]
01 SE V8 Estate [Organizers Choice FF15][2nd Place MK1 Class FF16]
02 SE SVT Wannabe
02 SVT Future Project
Last edited by disciplerocks; 10-22-2009 at 10:00 PM.
Reason: i can't spell