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Author Topic: 4103 Speedometer  (Read 685 times)
2xclutchin
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« on: June 17, 2011, 06:00:00 PM »

Alright I had gotten some work done in the bus, still haven't touched the exterior lights, and still no camera!  Roll Eyes but anywho, I was reading through the forum and seen somebody talking about a fuel gauge sender. It brought up my attention to the fact that the speedometer doesn't work in our bus. Where is the sender? How would I go abouts checking it out? I did search but didn't see anything, I'm guessing it's the same as any GM so figured I would start the topic.
BTW I finally removed the platform that was in the back of the bus to cover the walking isle but it was also 6 inches higher then where the seats once sat. Also it covered access spots but it was removed and it sure is nice to be able to walk to the end of the bus before having to duck. I'm 6'6" lol so I need that isle to be comfy.
Thanks in advance,
                         Mike
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Mike
Nothing beats a 2-Stroke
1952 MoPac GM PD-4103-1353 6-71 DD 4 speed
Work in progress
Thief River Falls, MN
johnjem
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« Reply #1 on: June 17, 2011, 06:05:03 PM »

My sender is on my drivers front wheel !! 1970 4905
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2xclutchin
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« Reply #2 on: June 17, 2011, 08:52:15 PM »

Thanks! I'll check there tommorow.
Thanks,
          Mike
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Mike
Nothing beats a 2-Stroke
1952 MoPac GM PD-4103-1353 6-71 DD 4 speed
Work in progress
Thief River Falls, MN
Just Dallas
Bus Conversion Stuff on a Budget
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« Reply #3 on: June 18, 2011, 08:32:07 AM »

Original PD4103's were either cable operated, or had an electrical unit to send the signal through wire to the speedometer.

In either case, the signal was taken from the transmission. There should be a speedometer connector on it viewable from the passenger side access door.

Mine, (ser. #1085), was cable operated, but I think the newer ones had the electric sender.
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2xclutchin
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« Reply #4 on: June 19, 2011, 03:38:39 PM »

I can't post pictures but I'm gonna try explain. Is the sender on the top side of the transmission? I noticed a massive black thing coming out of the top closest to the front of the bus, output side going to rear diff, with wires running up into the destroyed rear engine panel. Is this the sender or something entirely different? No I'm not talking about the solenoid just so were clear  Grin lol.
Thanks,
          Mike
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Mike
Nothing beats a 2-Stroke
1952 MoPac GM PD-4103-1353 6-71 DD 4 speed
Work in progress
Thief River Falls, MN
Just Dallas
Bus Conversion Stuff on a Budget
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« Reply #5 on: June 19, 2011, 04:49:08 PM »

Here's a picture from the service manual. It's not very clear, but you should be able to tell with the numbers underneath. This is for the electrical speedometer in chapter 17 of the service manual.

If you don't have a manual, email me off the board and I can help. My email is in my profile.
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2xclutchin
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« Reply #6 on: June 19, 2011, 05:13:38 PM »

Ah ha I was correct! for once  Roll Eyes lol. Email will be sent shortly!
Thanks,
          Mike
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Mike
Nothing beats a 2-Stroke
1952 MoPac GM PD-4103-1353 6-71 DD 4 speed
Work in progress
Thief River Falls, MN
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