06-29-2020, 04:35 PM
just to point out again what ron said.....with this vacuum pump mod, you need to wait longer than just until the light comes on. i always wait until i can no longer hear the vacuum pump running. it has its own pressure switch and you can hear when it stops pumping.
tom
tom
2014 Haulmark 40' Super C on Freightliner Cascadia ISX15 Easton 13 speed
Former Owner 1990 38' Newell Coach 236 8V92
Former Owner 1999 45'8" Newell Coach 526 Series 60
Former Owner 2002 45'8" Newell Coach 608 Series 60