pressure switch

  1. B

    93 GMC 4l60 jumps out of gear when shifting to 3rd

    Hopefully simple. My 4l60 trans in my 93 GMC has done this forever, even after it was rebuilt. The gentlemen that rebuilt it is no longer with us sadly. So hopefully there is a simple solution. Here is the best way I can explain the issue. You accelerate from a stand still (with the...
  2. Angelo

    Low (fuel) pressure switch that closes at <= 5 PSI

    This is for a 1996 6.5L TD ambulance which weighs approx. 12,500 lbs. Currently using a 1993 lift pump and have been happy with the higher pressure, but I want more. Right now idle is 9-10 PSI but it will drop down to 1-2 PSI at WOT. I plan to have 2 lift pumps inline. One will run constantly...
  3. J

    AC compressor pressure switch, single pin?

    1990 K2500 7200 5.7 4x4 I decided to replace and fix my AC. I replaced everything. Condenser, evaporator, dryer, orifice tube, and the compressor. I had replaced the lines 5 years ago, so they still were good. The compressor I got: FOUR SEASONS 57237...
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