It would be wired in around the ignition switch, I would think. This means dropping the panel under the key, this is described in our "Sticky Key" mod here ->
https://www.crossfireforum.org/forum...n-key-fix.html
100/80 seems to have stumbled onto something - but I do not understand how the engine can run with the key off as this would stop the plugs from firing, would it not Dave?
I just dont understand how a vacuum line could cause this.