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wildbill0013's avatar
wildbill0013
Explorer
Aug 27, 2017

help!

i have spent the last two days replacing a new motor on a single step electric kwickee step, the motor works fine using a battery in both directions but when it is wired to the existing wiring it will only retract, i used a dremel tool with a brass wire brush on every point of ground that the control box uses but still cant get the step to extend when the door is opened. my grounds are showing so much silver i am surprised that ihavent gotten a call from the us mint. i am leaning tordsit being a control box issue as i have power only on the return side and not on the forard side. anyone care to give it a thought as to what to check next? i really dont want to spend another 100.00 dollars for a control box if its something i am overlooking.
thanks in advance wildbill0013.
Class A

8 Replies

  • MrWizard's avatar
    MrWizard
    Moderator
    Sep 01, 2017
    what was the reason for changing the motor
    did the old one do the same thing
    if yes, then it is a switch problem or controller problem ?
    IF no, the motor is wired backwards

    shut off power, pull fuse , disconnect battery
    try swapping the two power wires to the motor

    this assumes all you did was install a new motor, did not change controller
    the motor is wired backward
  • ArchHoagland's avatar
    ArchHoagland
    Explorer
    Sep 01, 2017
    How to make your signature so we can serve you better:

    1. Log on and click "My Preferences".
    2. On the "My Preferences" page click the middle box and enter your rig info.
    3. Scroll to the bottom and click "Submit Changes"
    4. Exit and you're done.
  • garry1p's avatar
    garry1p
    Explorer
    Aug 31, 2017
    look at page 37 to test

    Page 37 has the procedure for testing the steps this will tell you if you have a bad switch or if it is the controller.

    4 way connector pin out is further down.

    hope this helps.
  • dougrainer's avatar
    dougrainer
    Nomad
    Aug 29, 2017
    1. MORE info needed. year/model of RV
    2. It only retracts? Does it NEVER extend? Or does it retract when the door is opened and extends when the door is closed? Doug
  • Artum_Snowbird's avatar
    Artum_Snowbird
    Explorer
    Aug 27, 2017
    It sounds like the control box is only sending the +/- signal, and not the -/+ signal. When I worked in the trade, that kind of a problem was often diagnosed as a switch not making. In order for the power to reverse, the forward limit switch must make (or something else like a safety switch makes). I would examine the electrical print, and try to determine how the direction switches, then either jumper out, or open the faulty trigger to check the operation.

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