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Unread 11-12-2014, 10:06 AM   #21
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Default Re: 96 48V SERIES intermittent start-stop

Great picture, you can clearly see the color bands on the resistors.
From the left (purple wire) to the right (white/black stripe wire), the resistors values in ohms Ω are:

560
390
470
750
1000
2200

The gold color at the end tells You they have a 5% tolerance.

The swing from Yellow Wire to white/black stripe is 5k-0
The swing from Yellow wire to purple wire is 0-5k
The corresponding signal measured on pin #3 of your controller would be 0-5v.

Make sure all resistors are making good connection (pull on them).

The measurement from purple to white/black stripe should be more than 5k and less than 7k.
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Unread 11-12-2014, 10:17 AM   #22
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Default Re: 96 48V SERIES intermittent start-stop

Quote:
Originally Posted by Sergio View Post
Great picture, you can clearly see the color bands on the resistors.
From the left (purple wire) to the right (white/black stripe wire), the resistors values in ohms Ω are:

560
390
470
750
1000
2200

The gold color at the end tells You they have a 5% tolerance.

The swing from Yellow Wire to white/black stripe is 5k-0
The swing from Yellow to purple is 0-5k
The corresponding signal measured on pin #3 of your controller would be 0-5v.

Make sure all resistors are making good connection (pull on them).

The measurement from purple to white/black stripe should be more than 5k and less than 7k.
. . probably available at RS . .

. . good info . .
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Unread 11-12-2014, 03:26 PM   #23
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Default Re: 96 48V SERIES intermittent start-stop

Something black and nasty looking on the studs for the 750 ohm resister. Carbon trail ??
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Unread 11-13-2014, 09:09 AM   #24
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Default Re: 96 48V SERIES intermittent start-stop

WOW! Thanks for the great info. Off to the shop to check it now.

Not sure what that "nasty" is but looks like spider web. Let U know when I get back.
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Unread 11-13-2014, 11:37 AM   #25
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Default Re: 96 48V SERIES intermittent start-stop

Quote:
Originally Posted by Sergio View Post
Great picture, you can clearly see the color bands on the resistors.
From the left (purple wire) to the right (white/black stripe wire), the resistors values in ohms Ω are:

560
390
470
750
1000
2200

Here are the values that I got.
1st=579
2nd=398
3rd=473
4th=825
5th=1031
6th=2332


Quote:
Originally Posted by Sergio View Post
The gold color at the end tells You they have a 5% tolerance.
The swing from Yellow Wire to white/black stripe is 5k-0

I'm assuming that "swing" means moving the wiper from side to side, correct?
Here is what I got.
"yellow to white/black" 0-1.8


Quote:
Originally Posted by Sergio View Post
The swing from Yellow wire to purple wire is 0-5k
The corresponding signal measured on pin #3 of your controller would be 0-5v.

I got the same reading here "yellow to purple wire" 0-1.8


Quote:
Originally Posted by Sergio View Post
Make sure all resistors are making good connection (pull on them).

The measurement from purple to white/black stripe should be more than 5k and less than 7k.

All connections were tight. When I take a measurement from PURPLE TO WHITE/BLK I get 1.769.

Now, it's entirely possible that I'm taking the measurements wrong. When you say "SWING" are you saying that I should take a reading with the wiper at one end, then at the other end? That is how I am taking these readings.
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Unread 11-13-2014, 11:58 AM   #26
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Default Re: 96 48V SERIES intermittent start-stop

Yes, by swing I meant the wiper movement as it goes from Pedal up to Pedal down. You should see a gradual (steps) change in resistance

I assume you still have the V-Glide disconnected from the cart.

I also assume the wiper is actually making contact with the pads on the other side as you move it from pedal up position to pedal down position.

Make sure You know the difference between how Your meter indicates "no connection", usually a 0L and true resistance (just touch the 2 meter probes together to see the reading.

The resistor readings are fine, within the 5% tolerance.

If You measured the resistors by touching the resistor leads, do it again by touching the probes to the threaded posts/nuts on the V-Glide, some of the crimp/solder connections to the resistors look like cold solder joints.

That reading from purple to white/black-stripe cannot be right, make sure the wiper is not touching any of pads with resistors on the other side for this reading.
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Unread 11-13-2014, 04:04 PM   #27
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Default Re: 96 48V SERIES intermittent start-stop

Thanks so much Sergio. Headed back to the shop to try it again. BTW, I do still have the V-Glide off of the cart.
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Unread 11-15-2014, 05:53 PM   #28
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Default Re: 96 48V SERIES intermittent start-stop

Well, I want to thank all that helped, particullary Sergio. Not sure what I did, loose connection?? But put everything back together and it works fine. One of the resistor connections was a bit loose, not sure if that was enough to cause my problem, but it's gone now.

It's forums like this that make the "stupidnet" worth visiting.
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Unread 11-15-2014, 10:24 PM   #29
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Default Re: 96 48V SERIES intermittent start-stop

I am glad you got it working

I learned something too, it would appear that in this particular 96 V-Glide - multi step resistor setup, if the throttle signal on pin #3 is interrupted by a bad resistor or broken wire, the controller responds by increasing the speed. That is not what I would expect it to do for safety reasons.
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