does any one know if the correct three port vacuum switch that goes to the water pump and has three ports going to distriburor and vacuum ports has the two wire prongs on top or not a picture would be helpfull thank you
great thank youCheck with these folks: https://www.boss302.com/smf/index.php?board=13.0 (It's a Boss 351 discussion forum).
I think the ported vacuum switch with the electrical connection was for cars with emissions control and mostly seen on 73 models. @Hemikiller posted on these some time back.