Mystery cable

[Zephod]

I was on the floor of the cockpit looking for something today when I noticed my accelerator pedal had a loose cable.

I thought there was only ONE acellerator cable but I think that's the top one since last time I drove the bus, two weeks ago, I had no problem. I'm wondering what the second thing is (on the bottom).


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[azdieselman]

Ya'Know, You're there with the bus. Follow it out.
I suspect it is a modulator cable.

[Utahclaimjumper]

 For the answer call,,B R 5 4 9

[Oonrahnjay]

For the answer call,,B R 5 4 9 

      Nahh, long-distance costs too much.  Much better to get a Chinese carrier pigeon from Harbor Freight.

[richard5933]

Speedo cable??

Richard

1964 PD4106-2412

[gumpy]

That appears to be a solid copper ground wire sticking out. It may be a 120v cable that was run through there for convenience for something. 

I'm wondering what is to the right of the photo. It's been rubbing and it appears there's a missing grommet or washer or fastener where it goes through the brace post.

Maybe this was where the hand emergency brake went through the bulkhead. Or the throttle lock (don't know what year your bus is).

[Zephod]

No. That's a braided steel cable. Bit of a mystery.


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[Scott & Heather]

Interesting. Something that ISN'T electronic actually failed. Imagine that. Huh.


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[brmax]

Many did have an option for a throttle control for the purpose of a power take off option/ hydraulics. But with no locking or twist to hold i suspect something else. Navistar had on that front hood style a cold air inlet, so the cable could well be that control. This is routed to the air cleaner, at a point a slide opens or closes to be used for the fresh/ cold air from the top front of the fiberglass hood ( a tunnel in the hood ). Or the choice to use only engine area air, and or less moisture, no snow from filling the air filter etc.. That looks to be a pretty robust cable so i wonder also.
This is just one option idea i have seen. hth

Floyd

[j.m.jackson]

Kickdown cable for the automatic transmission.


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[Zephod]

Turns out it's truly a mystery cable. It's not the accelerator cable. One of the guys at work suggested it's something to keep the throttle more open than normal idle. That explains why it doesn't seem to have much effect on anything. Pretty much the same as the extra speed sensor on the prop shaft that's not actually connected to anything.


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[j.m.jackson]

Pop the hood and follow it, you should have easy access to that area. Given that it's a pull cable, it can't speed up anything (it would have to push the top of the lever that the pedal is on). Maybe it was a speed governor, maybe transmission kickdown. Who knows what the body builders put there.

[Zephod]

Pop the hood and follow it, you should have easy access to that area. Given that it's a pull cable, it can't speed up anything (it would have to push the top of the lever that the pedal is on). Maybe it was a speed governor, maybe transmission kickdown. Who knows what the body builders put there.

Don't assume the makers put it there. I've seen and removed some very strange things from that bus that definitely weren't OEM.

Even the wheels aren't original. Originally it was 9-20F. Now it's 10R22.5.


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