Originally Posted by
chrisa3
Got my head battered. If I pull the fuse on the MSD loom (so it doesnt fire the pump), connect all the + connections at the battery, but only the negative from the MSD loom, the new relay clicks open and closed (without the old relay connected, so its empty), and no ignition.
So it must be getting voltage on the old pin 86 which is the old pump + on the new loom. Either that or the new relays wired wrong??
I thought the old pump +12v would be o.e relay 87 , which would now go to new relay 86 or 85 to trigger it once 85 or 86 is ground