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11-25-2018, 12:01 PM
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#1 |
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Gone Wild
Join Date: Jan 2009
Location: Ocala, FL
Posts: 384
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Mystery Parts?
Can anyone identify these parts off of an old Club Car resistor cart?
What is their function. The solenoid is NOT the main contactor. There is another solenoid for that. The gray wire connects to an unidentified toggle switch on the dash. |
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11-25-2018, 03:25 PM
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#2 |
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Gone Insane
 Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: Mystery Parts?
Probably an added high speed "bypass solenoid."
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11-25-2018, 04:20 PM
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#3 | |
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Gone Wild
Join Date: Jun 2017
Location: Savannah, GA
Posts: 6,539
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Re: Mystery Parts?
Quote:
[emoji1303] Some sort of field weakening. Sent from my iPhone using Tapatalk |
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11-25-2018, 04:38 PM
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#4 |
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Gone Wild
Join Date: Dec 2017
Location: Montreal, Quebec, Canada
Posts: 1,130
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Re: Mystery Parts?
flux capacitor?
 J/K!!! |
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11-25-2018, 04:40 PM
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#5 | |
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Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: Mystery Parts?
Quote:
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11-25-2018, 06:08 PM
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#6 |
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Gone Wild
Join Date: Jan 2009
Location: Ocala, FL
Posts: 384
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Re: Mystery Parts?
OK, thanks for the responses. I suspect the high speed/ field weakening answers must be correct. Would the red cables be connected in parallel with the S1-S2 winding?
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11-25-2018, 08:44 PM
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#7 |
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Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: Mystery Parts?
Photo
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11-26-2018, 06:14 AM
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#8 |
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Gone Wild
Join Date: Jan 2009
Location: Ocala, FL
Posts: 384
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Re: Mystery Parts?
Thanks for the schematic Mooncarter. I am trying to understand how it works but I haven't quite got there yet. That circuit is a little different than the mystery parts in that the solenoid is not turned on by a switch on the dash.
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11-26-2018, 12:13 PM
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#9 |
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Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Mystery Parts?
That diagram is the one I had created to show how to add a "High-Step by-pass" solenoid to a resistor cart.
The idea is that at WOT, the relay closes and the current flows from the Solenoid directly to the motor, by-passing the VGlide and resistor board. Are there any other components on that little circuit board (I see a resistor, capacitor and small relay)? It looks like maybe a timing circuit. Where was that homemade magnet positioned, was it near the small solenoid to provide some kind of latching (or unlatching) mechanism? |
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11-26-2018, 01:39 PM
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#10 |
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Gone Wild
Join Date: Jan 2009
Location: Ocala, FL
Posts: 384
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Re: Mystery Parts?
I am thinking the "magnet" was not intended as a latching mechanism but rather a series inductance. I don't know how the two red cables were actually connected in the cart. Unfortunately I never saw it installed. I was given the part and asked "what is this for?". The small PC board has a 750 ohm power resistor, a small relay, a diode bridge and a 10,000 uf, 25v capacitor. I will try to draw a schematic and post it later.
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