What does this knob do?

GomezTheM35A2C · Oct 30, 2018

I have a 1973 M35A2

What in the world does this knob do? It's right above the transfer case shifter.
It reads "Out - Run | In - Stop"

Evil Dr. Porkchop · Oct 30, 2018

I’ve never seen that on a deuce before, looks like an add on. What’s it connected to?

GomezTheM35A2C · Oct 30, 2018

I thought the same thing. I'm out of state currently. I'll trace it back when I can. I also thought it might be for a dump bed.

cattlerepairman · Oct 31, 2018

It appears to be between the seats rather than under the dash, so I second a pull/push cable to operate a PTO or hydraulic valve. Throttle cable is also possible but that tends to be on/under the dash.

Guyfang · Oct 31, 2018

Why not look in the TM?

Evil Dr. Porkchop · Oct 31, 2018

I've read through quite a few of the TMs and never noticed it listed, I doubt it's in there. The seat also doesn't look right to me. Unless I'm seeing things funny it looks more like a box driver's seat but in the middle of the cab, definitely not a regular passenger seat.

dmetalmiki · Oct 31, 2018

If you trace that assembly, I would bet is goes to the rear of the transfer case.
And.
It could be a modified "Air shift" actuator for the front axle engage.
In (In) Out (out).
Of 'all wheel drive'........(Or, Most of them with the deuce system).

snowtrac nome · Oct 31, 2018

Im thinking unauthorized MWO, for some kind of pto actuator. Push the plunger in to run the pto pull the plunger out to stop the pto.

What does this knob do?

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