So what/how activates the vacume?
Wouldnt there be some kind of switch connected to the tranfer case lever?
Any way to bench test?
Thanks a million for the help


1970 barracuda convert. 1 of 59
1970 pro street A.A.R. clone (panther pink)
1971 charger
2015 hellcat challenger. Redline red
2014 quad cab 4x4 ram 8 speed hemi