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Restoration Early 70's and older restoration projects |
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09-08-2022, 09:26 PM | #1 |
Not Yet Wild
Join Date: Aug 2022
Posts: 7
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Intermittent slow speed on 7 solenoid Pargo empire
Working on a Pargo empire truckster and I've replaced the potentiometer???/pedal switch???, built a completely new harness, and replaced what solenoids I thought I found to not be working. I can hear it click through the other solenoids however, only occasionally will the lower speeds work. Most of the time she's all or nothing both forward and reverse. I don't believe the motor is going to like doing that too long. What should I be testing (which of the solenoids, coils) and how?
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09-13-2022, 11:56 AM | #2 |
Gone Wild
Join Date: May 2011
Location: Pittsburgh
Posts: 2,941
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Re: Intermittent slow speed on 7 solenoid Pargo empire
I would check those motor brushes. If they are worn they won't want to spin with motor with low current. They respond to high current, though, which was cause a lot of whiplash.
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09-13-2022, 10:14 PM | #3 |
Not Yet Wild
Join Date: Aug 2022
Posts: 7
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Re: Intermittent slow speed on 7 solenoid Pargo empire
Thank you. didn't think of that. Are they hard to service? would I have to pull the motor to put in new brushes?
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09-14-2022, 01:55 PM | #4 |
Gone Wild
Join Date: May 2011
Location: Pittsburgh
Posts: 2,941
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Re: Intermittent slow speed on 7 solenoid Pargo empire
The roughest part of brush replacement is normly finding the right brushes! Replacing is pretty easy, though. The motor should just pop off with a few bolts which will give you easy access to the brushes. There are a lot of YouTubes out there that provide a lot of detail.
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09-16-2022, 06:37 AM | #5 |
Not Yet Wild
Join Date: Aug 2022
Posts: 7
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Re: Intermittent slow speed on 7 solenoid Pargo empire
Thank you
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10-11-2022, 09:49 PM | #6 |
Not Yet Wild
Join Date: Aug 2022
Posts: 7
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Re: Intermittent slow speed on 7 solenoid Pargo empire
Ok. did some more testing. When I give the 2nd solenoid from the right a jump from battery positive to the small top terminal, i have all speeds. When I run a jumper from the 1st speed solenoid to the small top terminal on the 1st forward solenoid from the right, I have all speeds. Same goes for reverse. When I jump positive power from the 1st speed small top terminal to the small terminal on top of the far right solenoid, I have a softer reverse. I have a toggle switch for forward and reverse. it seems to be working fine. could my pedal switch be causing all the trouble??
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10-13-2022, 11:52 AM | #7 |
Not Yet Wild
Join Date: Aug 2022
Posts: 7
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Re: Intermittent slow speed on 7 solenoid Pargo empire
figured it out. pedal speed switch is not making contact on master solenoids.
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09-22-2023, 01:01 PM | #8 |
Not Yet Wild
Join Date: Sep 2023
Location: MO
Posts: 3
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Re: Intermittent slow speed on 7 solenoid Pargo empire
Hey Ronh. I've just joined today and I have a Pargo GC with the 7 solenoids. My question is the schematic shows a "seat swith" and I can't find a seat switch. I also didn't get a charger with it and there's no charging port. Only thing on the face of the seat housing was a small hole for the F n R with 4 terminals on it rather than three. There's an extra white wire bouncing around. Don't know where it goes, but think it came off the F n R switch. I guess. Kinda lost.
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