Hey my friend, on my car there is an electric wiring plug in that hole. It has a plug with 2 wires coming from it but no vacuum type line. It goes through the firewall and seems to connect to obdII. Not sure where it is connected exactly. Possibly for an electric guage? Any thoughts? Wish I knew...
Thank you so much. I must be dense but I can't for the life of me find what you are speaking of. I couldn't figure out how to upload a photo of that area. A picture would be so, so helpful. I swear I think when I had my Roush Stage 3 upgrade done they put some type of wiring harness there...
Hello everyone,
Thanks for letting me into the forum. I have a 2014 S197, Mustang GT that has been upgraded with complete Roush Stage 3 performance package. I have a Prosport boost/vacuum. I am trying to install theboost/vacuum guage. After days of Internet research I still cannot figure out...