And then the tach wires plug into the two ends. IIRC, the OEM tach works different then aftermarket. If the OEM tach goes bad somehow, the engine will not run. But, you can easily unplug the tach, hook together the two under dash red wires, and the ignition will power up again.
4 cylinder tach connector in my hand:
Dangling loose wires near headlight switch plug. Ground and power for under dash courtesy lights. Unused cut orange wire. Mystery yellow wire with cut off end.
Rear harness connector has the green, pink, and white wires. Unused dome light connector next to it, Dome lights would be on a CJ7 hard top. But, could probably use this plug to install dome lights in a Scrambler, too,
Mystery yellow wire:
This yellow wire is not used in my 258 powered green Scrambler, or my 258 powered red Scrambler. Pretty sure it has something to do with MAYBE the 4 cylinder tach wiring? On my red Scrambler, I used this yellow wire as the "hot" for a cell phone charging outlet? On my green Scrambler, this yellow wire has a black plastic/rubber like termination:
Not too concerned about the yellow wire, just curious what it is used for?
My terrible hand writing notes:
Painter tape/sharpie lables for faster work later:
As much as I would like to start mechanical work, I still need to finish a bunch of other work/assembly first. The mechanical stuff will go fast, and then I will want to drive it, which will make it harder to go back and do more mundane stuff. So, I am "eating my vegetables before desert.
I am "drawing a red line at the cowl". Before I do mechanical work, need to complete the following items:
1) run rear vehicle harness
2) install seat belts
3) install rear view mirrors (need to tap WS hinges for oversize bolts, something strange going on here)
4) install lower door hinges
5) install and adjust doors/strikers -
In Progress
6) reassemble doors (will clear out a lot of parts/space) (waiting on vent window from JeepAddict) -
In Progress
7) minor steering column work
8) clean/sand/paint/install the driver seat bracket/seat
Probably some other minor stuff, too. If I do this work first, then I will be "complete" up to the firewall/cowl. Then, forward.
That's it for now