I didn't know he owned a Syclone. Next time I see him I'll ask him about it. I usually run into him at least once a year working in the outdoor industry.
It's wired in parallel but I don't recall the intended function, I just remember removing the oil pressure switch function when I installed the XFI in the Syclone.
Circuit 31 coming out of the oil pressure switch is the actual pressure signal for the dash.
Circuit 440 (12v pos) and 120 (12v...
It was pretty clean when I saw it at Ryan's place about 10 years ago. He had done a nice job with it.
I think he sold the truck to a guy somewhere near Albany NY if I remember correctly.
Well there isn't one from the factory but it's common to add one. Search "Purple Wire Mod." Typically a relay is added to the starter wiring and sits somewhere on the firewall to get the full voltage necessary to trigger the starter solenoid.
The core issue is that the factory wiring is...
It could have been anything. Doubt it's RUN GMC.
Those RUN GMC t-shirts are a parody of an old RUN DMC t-shirt, and I've seen tons of others too.
https://www.amazon.com/Run-CMD-Shirt-Computer-Nerd/dp/B07PDZQ187
This thread inspired me to do another round of yard hunting for an 8.6. Thought I found one 45m away, of course when I got there it was a 7.6.
I can pick them out because of the shape of the rear cover (7.6 is more square) but what’s something more concrete that I can have them check over the...