WebFiTech ECU Problem h4ppychap h4ppychap 2.28K subscribers Subscribe 5.2K views 5 years ago Tapping blue Tach signal wire on +12v battery terminal as suggested by … WebFeb 27, 2024 · FiTech, other EFI companies, and I all recommend if you have a running engine with a conventional non ECU controlled distributor you keep it that way at first. ... like the Vortec truck engines they were working like the Sniper and FiTech where they were getting some sort of a tach signal from the engine then either sending the pulses to the ...
Shielded wire for EFI tach signal Vintage Mustang Forums
WebSep 29, 2024 · FiTech always claims "Interference" or "Weak/Dirty" tach signal. I resorted to covering the Tach wires with foil which I grounded at one end. Still no joy. I would use … WebApr 28, 2024 · Anyway, I installed the Fitech and got it up and running, but it keeps throwing the P0335 RPM noise code. The tach output from the 6AL is what I am using to feed the … greeley co to springfield mo
Tachometer does not work with my LS Engine Swap Application. Why?
WebApr 4, 2024 · FiTech Fuel Injection 1 2 3 4 5 6 7 8 Tech Tuesday Directory Battery Voltage! Tech Tuesdays EP1 RPM Noise! Tech Tuesdays EP2 Initial Setup Tech Tuesdays EP3 Fuel Delivery Tech Tuesdays EP4 Ignition Timing Control Tech Tuesdays EP5 Servicing and Replacing Injectors Tech Tuesdays EP6 ProCal … WebApr 1, 2024 · One for the FiTech. The other to the dash. Click to expand... I agree that any will work, but there is caveat with shielded wire. It is important that you only ground 1 side of the shield. If both sides (engine, dash) are grounded, you risk carrying a lot of current through the shield which will get hot, melt and possibly burn something nearby. WebApr 28, 2024 · Tach is showing RPM when attempting to start, so getting signal there. Verified +12v going to the distributor (1 year old DUI) Also, moved the white wire from the FITech harness from switched +12v to BAT and the fuel pump came on immediately as expected. Turned the key to start -- same issue. As far as I can tell I'm getting voltage to … greeley county assessor ne gis