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"From the junction a pink wire goes to the ignition switch and another pink wire to a service socket for the starter motor and from there a blu/yel wire to the control unit of the LH Jetronic 2.4"
I think Trev29 is pointing me where I need to go. I'm a little screwed up because the wiring I'm missing is the part of the harness that feeds to the motor. The plug sticking out of the firewall is intact, and what I assumed was the small gauge wire that I needed to connect to the solenoid was a black spade connector that fit the spade on the starter, so I figured that was it. Now I have to see if it's a wire that goes somewhere else, or if it's the right wire, just the wrong color. I know that there are two spade terminals on the starter, and one makes it crank and one doesn't, and I went with the spade below the battery lug, as when I shorted across that with a screwdriver, it cranked.
The problem is, what's that bit about another blue/yellow wire to the injection? I can't seem to find out where it goes or what it does. And unless it's a wire that Volvo put there just to give the guys on the assembly line something to do, I'll probably want to know some more about it.
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