[MossRestoration]

Little update, I have confirmed that amongst everything else, the DME has failed.

Both sensors were working perfectly, with all required wires showing perfect continuity for the DME to get the info it needed to trigger the coil. The cars harness completely bypassed so running 12v to pin 18 & 35, as well as 12v to the + side of the coil and jumper from pin 1 at the DME directly to the negative side of the coil. As well as ground run directly from battery to all the pins that needed ground at the DME. thankfully the new loom (and a continuity test) confirmed they were all getting it from the 2 earth points on the engine, but I ran a jumper from the battery negative to those lugs just in case.

With all that still the DME wasnt triggering the coil, so as a final step to confirm, I wired in a Bosche ignition module between pin 1 and the negative of the coil to amplify any signal that might just be two weak to fire the coil and still nothing. Very confident the DME has failed.

Interestingly, the cars wiring is so messed up that the fuel pump now works via the key as you would expect it to when the DME/Engine loom is completely disconnected from the cars loom.

A new DME is going to be ordered, customer and I are thinking along the lines of an Ftech 9 brand new unit. Seams a reasonably price, anyone have any experience?