Guest Fordstevie77 Posted September 15, 2015 Share Posted September 15, 2015 i all need help with my rev counter it does not work at all speedo and fuel/temp ok have had it out to check the wiring/multiplugs and that seem all fine???? any help in right direction appreciated its the MFi xr3i Quote Link to comment Share on other sites More sharing options...
gingergman Posted September 18, 2015 Share Posted September 18, 2015 green wire from the coil? Quote Link to comment Share on other sites More sharing options...
Guest Fordstevie77 Posted September 19, 2015 Share Posted September 19, 2015 is that the green wire that accompanys a red one that goes to little black box next to the coil? Quote Link to comment Share on other sites More sharing options...
Guest Fordstevie77 Posted November 1, 2015 Share Posted November 1, 2015 Right checked the green wire inside dash plug only getting 0.22 volts....? what is no 138 on diagram - SUPRESSOR do would this be causing my problems see wiring diagram below: Quote Link to comment Share on other sites More sharing options...
Guest Fordstevie77 Posted November 2, 2015 Share Posted November 2, 2015 From coil negative the green/red wire goes to suppressor box then out suppressor box to green wire multiplug in dash to clocks I am getting 12 volts give or take at coil negative before it enters suppressor At suppressor out conector I am getting around 5-6 volts ( so suppressor is halfing the voltage) At the mutliplug wire 2 green I am only getting about half a volt 0.5 Quote Link to comment Share on other sites More sharing options...
Guest Fordstevie77 Posted November 2, 2015 Share Posted November 2, 2015 Am i supposed to be getting 12 volts at the plug or 5-6 volts that after suppressor is showing or more/less volts...? If i by pass the suppressor and connect the 2 wires up the rev counter works but very strangly as idles at about 400rpm and wont rev over 2000-2500rpm when i hit the throttle Quote Link to comment Share on other sites More sharing options...
Guest Fordstevie77 Posted November 3, 2015 Share Posted November 3, 2015 Right sorted it at last it was actually Green/Red wire from my coil which goes to the (Black) speed sensor relay then to the Fuel pump purple relay then its a Green Wire that goes to the Instrument Panel Pin 2 = RPM So I was looking in the wrong place got thrown looking for green wire when all along it was green/red wire from coil then past 2 relays and finally to its destination the instrument panel Quote Link to comment Share on other sites More sharing options...
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