MicroSquirt.com read only forum (Jan.15,2018)

I figured out why the fuel pump was not shutting off. When the wire came loose, I hooked it up to the wrong pin. It's working correctly now. Hope you figure out your problem buncey.

Would something outside MS cause this problem? It just seems a little wierd that all of a sudden it happened. Or maybe since the fuel pump wire came loose on MS it ruined a transistor when it got re-connected. Any ideas?

Here's my situation. I hope someone can shed some light on this for me. Yesterday, the wire that goes into the MS unit for the fuel pump relay came loose. I re-attached it and now I notice that my fuel pump stays on when the key is in the on position. I used to hear the relay click on, then the fuel ...