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I have the below hookup right next to the engine (CAT 3116) and I'm not sure what it is for. I tried googling this, but didn't find a hookup that was similar. The approximate circumference of the red connector is about 3 inches.

  • What is it for and what voltage, amperage is it rated for?
  • What is the pinout?

enter image description here

  • Without seeing what it's attached to, I'm betting it's a connection for an engine heater. No clue about the pinout. ... and I could also be wrong, heh. – Pᴀᴜʟsᴛᴇʀ2 Jul 18 at 20:39
  • Instead of googling that connector, try the website for the machine manufacturer, they will usually specify the (optional) equipment... Was this original equipment? – Solar Mike Jul 18 at 21:18
  • Since it is a male connector with exposed pins, I would have thought it was an input rather than a power output. Could it be a remote engine start connector? – HandyHowie Jul 19 at 7:10

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