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Technical SW Fuel Guage Wiring

Discussion in 'The Hokey Ass Message Board' started by CornfieldPerformance, Apr 6, 2020.

  1. IMG_5635.JPG IMG_5637.JPG

    Hey guys, got this old SW fuel guage. No markings. Could someone tell me where the power and sending unit wires go? Thanks and everyone keep their head down.
  2. One goes to power supply and the other to the gauge. If reversed the gauge will go to full. The unknown becomes what is the frequency? Ford, GM, and others used different ones which simply means that a Ford gauge will not work with a Chevy sender.
    Johnny Gee likes this.
  3. BamaMav
    Joined: Jun 19, 2011
    Posts: 4,257

    from Berry, AL

    I think SW used the same ohms rate on all their gauges, I want to say 90? IIRC, top is power in, bottom is sending unit.
  4. Thanks. I’ll give it a try.

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