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Reply to "Information sought concerning the OEM vacuum hose routing for a '73 Pantera engine."

Joe shared his colorized drawing with me last night. With his help I've gotten this far without going to my public storage unit.

vacuum controls 7

Its not finished, there are a few loose ends.

The 3 port vacuum switch, #12A111 in John's picture … its a "vacuum" sensing"  2-way valve. I've drawn it in, but I need to figure out what Ford called it; haven't been able to remember or figure it out yet.

There are 2 other in-line devices: #383004-S and #373846-S. They are probably one way valves (check valves) or perhaps a signal delay. I'd like to figure out their purpose & name too.

Thanks Joe …


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  • vacuum controls 7
Last edited by George P