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Old 01-18-2016, 10:34 AM   #29
Senior Member
Country Coach Owners Club
Join Date: Jan 2006
Location: Sacramento Area
Posts: 3,229
Originally Posted by drtuck View Post
. When you said that you had a 12v power source, did you mean a battery or what? , 97 Discovery.
I usually use a jumper cable and my 12v car battery for a power source.

1995 CC Magna #5280
C8.3L 300hp Cummins, 31,000lbs
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Old 01-18-2016, 12:34 PM   #30
Senior Member
Tiffin Owners Club
Join Date: Dec 2013
Posts: 271
Dean and DrTuck,

I made up an emergency harness before I found my guilty 4-pin connector. I unplug the power to the motor from the control board and wire the motor directly to a DC source. The first picture is of the ends of that harness. the spade connectors plug in to the OEM connectors coming from the motor. The bullet connectors connect to the emergency 12V source. The harness is long enough to reach inside the coach door, and it stays in place with the door closed.

The second picture is the power harness. The female bullet connectors connect to the other harness described above, but I only fully connect one side until I'm ready to operate the step. The other end of the harness is a fused cigarette lighter power adapter. I can plug it in to a lighter socket factory installed by the front door, or to the auxiliary socket on my portable starting battery.

When I want to move the stairs I touch the bullet connectors that aren't plugged in and listen to the stairs. When they reach the fully deployed or fully retracted position I disconnect them. If I recall, red-to-red and black-to-black is retract and the opposite is extend, but it might be the other way around.

It is really simple, but is an effective way to bypass a lot of control circuitry and connectors. It even allows you to operate the stairs from a "hotshot" battery if there is something wrong with the house 12V system.
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2005 Phaeton 40 QDH
2013 Honda CR-V
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kwikee, repair, steps

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