View Single Post
Old 09/05/2011, 12:25 PM   #1
My Car Details
franklinair's Avatar

Location: Franklin, NC
Joined: Mar 07
Posts: 4,103

My Garage
HELP. Need A/C control switch

Found out why the A/C won't work: the A/C Control Switch (p. 19-3 in the Shop Manual Schematics), mounted on the center A/C Register housing is kaput. The terminals have broken off, rendering the switch non-functional. Its vacuum operated, sending 12V to the evaporator 'ice sensor', and then the power goes to the compressor clutch.
I'm sure its particular to the '67 & '68 factory A/C cars, hence not listed in any of the Mustang parts supplier catalogs.
Anyone got one laying around?


I added a couple photos, looking into the dash through the instrument cluster opening. You can see one of the green wires where it attaches to the switch.
Attached Images
File Type: jpg Green GTCS 016.jpg (76.5 KB, 21 views)
File Type: jpg Green GTCS 017.jpg (55.9 KB, 23 views)

Last edited by franklinair; 09/05/2011 at 03:41 PM.. Reason: Added photos
franklinair is offline   Reply With Quote