Re: What are these wires for?
I think it's worded transmission spark control or TSC. That plug went to a vacuum deal that controlled the vac advance. I'm fuzzy on an auto but my 4 speed has a switch on the trans that turns advance on when you are in high gear. If yours is non auto you might find a wire coming off trans too There's a vac switch on thermostat housing too that connects. Most are disabled and forgotten anyway
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-Cody
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