Fitech Wiring Issues

67Dart273 said
Very good.

Be wary of EFI wiring. Keep wiring dressed near ground, engine block or firewall to provide a shielding effect. Dress breakerless pickup and other sensitive wires especially, and keep them away from ignition wires. If you must go near HV ignition, try to pass them near 90 degrees, rather than somewhat parallel.

That's absolutely correct. I went through many hours of moving and shielding wires because I kept getting RPM Noise error codes and the engine would just shut off like you turned off the key. Most of this was caused by the fact that all of the wiring was crammed behind the supercharger and there was very little room. After I built the 418 stroker I got rid of pretty much all of my engine compartment wiring and moved all of my electronics ( CDI box, voltage regulator, starter relay) to a panel under my dash. I also added 2 fuse blocks one switched and the other constant power. Ever since I haven't had any RPM Noise codes and my cars been running awesome. So 67Dart273 is right, you need to keep the Fitech wiring away from the ignition wires and where you can't shield them with something, preferably steel braiding or tin foil (you can wrap electrical tape around it to help the looks) make sure you ground the foil to the engine or body.