finally got the vac pump hooked up and wired. brakes are really good. vac pump will not shut off. pressure switch is not working. will check ground and hot lead to relay. vac switch is mounted about 24" fromrelay.would that make a dfferance to the switch or as long a it in linei it should be ok? pump holds 18" of vacuum for brakes while engine holds 11" of vacuum. thanks Ken
