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a/c compressor clutch cycle switch trinary

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  • a/c compressor clutch cycle switch trinary

    !991 factory a/c switch located top of passenger shock tower
    Leaking and need to replace ford says came installed in pipe YF-1721
    Wiring diagrahm does not show as built
    found two numbers by visual four seasons # 20927 and 20049

    info worn off foil sticker on old part
    first time posting so hope I'm in right spot

  • #2
    Originally posted by stas7646 View Post
    !991 factory a/c switch located top of passenger shock tower
    Leaking and need to replace ford says came installed in pipe YF-1721
    Wiring diagrahm does not show as built
    found two numbers by visual four seasons # 20927 and 20049

    info worn off foil sticker on old part
    first time posting so hope I'm in right spot
    The 20049 one looks like the one that is on my Factory Air 1990 LPlus. I can read to numbers on mine (2070 and 10J11)
    Mine has four connectors but the wire that plugs into it has only two wires and two connectors (The two across from each other that are closest together).
    Last edited by 1990new; 06-29-2016, 03:06 PM.

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    • #3
      Originally posted by stas7646 View Post
      !991 factory a/c switch located top of passenger shock tower
      Leaking and need to replace ford says came installed in pipe YF-1721
      Wiring diagrahm does not show as built
      found two numbers by visual four seasons # 20927 and 20049

      info worn off foil sticker on old part
      first time posting so hope I'm in right spot
      The 20049 one looks like the one that is on my Factory Air 1990 LPlus. I can read two numbers on mine (2070 and 10J11)
      The are four connectors but there are only two wires on the plug that connects to it, the two opposite each other that are the closest together.
      Last edited by 1990new; 06-29-2016, 03:10 PM.

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      • #4
        Thanx a bunch will research those numbers I did install the 20927 and a/c works great again It did pass the low speed fan low pressure cutout at 25 psi according to my gauge. I had already changed over to the 134 years ago. again thanx

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