The run runs fine. My question is why threre are two black wires from the ignition harness to the + coil terminal. One is the Key On? but what is the second for ?
My picture shows the coil with the center wire off; the tach wire is baby blue( PO handywork) and green is condener--both go to -. The red is for a rich/lean sensor
I.m just curious whether othe '75 L jets have two blacks to the +
Thanks
Attached image(s)
All three versions of L-Jet I have had on my car has had the 2 wire thing going to the coil.
OK. Do they originate from diffrent terminals on the harness connector at the relay board ? Still want to know what the reason is.
I'll look when I go on break, I'm at work right now. I have a feeling, but I want ot be 100% sure.
IIRC, the black wire grounds to the case, joins the harness under the shealth, runs over to the coil, comes back off the coil, goes back under the sheath and continues on to the double relay (which controls the fuel pump)
black is 12V, not ground.
Oops. OK. Not ground then. But it still goes on to the double relay?
That makes sense; it probably activates the dual relay when the ignition is turned on.
Reason I'm asking; I want to redo some of the wiring and incorporate an MSD that's been siting on the work bench for the past year or so. Anyone done an 1.8L LJet FI with MSD ?
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