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Bobbo's avatar
Bobbo
Explorer II
Nov 01, 2014

What is this electrical component?

I have been working on a Kwikee step that won't retract when the engine starts. I finally traced it down to what I thought was just a wire pulling out of a butt connector. That thread is HERE.

I bought some new butt connectors and crawled under there to splice the wire, but when I took off what I thought was the old butt connector, I found this. What is it? What does it do? Is it necessary? Where can I get another one? It appears to have color bands around it. SILVER/RED/RED/BROWN or BROWN/RED/RED/SILVER. It is 3/4 inch long and 1/4 inch in diameter. It had a wire coming out of each end that was soldered inline to the switched ignition wire going to the step.

  • That's an oh **** add-on. The step controller has problems with over voltage. There should also be a zener diode in the wiring harness where you found the resistor. The resistor/zener combo prevent over voltage. It's a kluge fix. Over time the lead to the resistor will break, resulting in your steps not working. Replace the resistor and you'll be good for another 6 years. You could add some strain relief to the resistor/leads.
  • OK, we told him what it is, My question is why is it there?? what does it do?? Usually they are for voltage drop, maybe to slow down the step motor?? I don't think mine has one, but have never looked.
  • 6 minutes to the answer. You guys are great.

    It is definitely factory. I bought the RV brand new.

    Is it reversable, or does the orientation matter?
  • It is a 1.2K-ohm, 1/2 Watt resistor.

    Radio Shack or local TV shop.

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