So I have a rear with diff lock I purchased for my 95 carry .But I did t come with the vacuum switch or the hoses .Any one know where I can get the set up needed ? Or can I get a vacuum only switch with a dump so I can engage and disengage the diff lock ? I would t mind a valve you twist left and right . This would eliminate the electrical switch if I’m correct . Thanks for any and all help!
Seems as if I remember the Toyota FG or FJ Cruiser in the 1970s as having a vacuum knob or slider under the dash used to control the tcase. Might do some checking on that line. Another thought might be to do some checking on air control valves (brakes, pto, & such) as used in the trucking industry, should work with vacuum as well as compressed air pressure. Fred
