delcowizzid
on holiday
it may not have a strong enough pulse too drive the tacho we are trying to find out if its a 5 volt or 12 volt pulse out the tacho feed that may have something to do with it
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The DFI (Direct Fire Module) is also commonly known as the coil pack.
The Tacho wire is brown.
Delco do you know what wires and locations on the PCM connect to the O2 sensor? I need to start by replacing the signal wire and possibly the grounds as well. I may need to swap the whole O2 harness but not sure yet. I looked at the diagram but can't read it properly, therefore can't make sense of it.i have LOL...if you need help with anything ive just been messing with vr auto ecu too VN 808 ecu/VR manual ecu so pretty much know whats what
C14 is signal c2 and c13 are the earths one is sensor earth and one is the heater earth they both end up bolted at 2 different locations on the front of the engine under the dfi