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Unread 12-07-2014, 10:17 PM   #51
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Default Re: Couple of wiring questions.

Quote:
Originally Posted by Merlinhaggard View Post
Should I connect the controller and see what happens? Test the MCOR then see if I need to order one?
You can bench test the MCOR. No need for a controller. All your checking for is resistance.
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Unread 12-07-2014, 10:21 PM   #52
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Default Re: Couple of wiring questions.

I agree if it is the trigger wire, not the main power to the converter.

TahoeDawgZ71 maybe you know this answer, I got puzzled by someone recently posting that even after they jumped the MCOR microswitch, the solenoid would only activate after the Throttle was pressed down.

I asked someone that had their cart with the bypass in place but got no reply if the solenoid is engaging as soon as the key is turned on or after the pedal is pressed.

Since both events, microswitch engaging and pedal depressed happen at the same time, I am not sure if both events need to be present before the newer controllers will activate the solenoid.
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Unread 12-08-2014, 06:32 AM   #53
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Default Re: Couple of wiring questions.

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Originally Posted by Sergio View Post
I agree if it is the trigger wire, not the main power to the converter.

TahoeDawgZ71 maybe you know this answer, I got puzzled by someone recently posting that even after they jumped the MCOR microswitch, the solenoid would only activate after the Throttle was pressed down.

I asked someone that had their cart with the bypass in place but got no reply if the solenoid is engaging as soon as the key is turned on or after the pedal is pressed.

Since both events, microswitch engaging and pedal depressed happen at the same time, I am not sure if both events need to be present before the newer controllers will activate the solenoid.
With a bypass in place it will work as normal. The controller won't close the solenoid until it detects a throttle signal. However, it's not safe to leave it bypassed because if there is ever an mcor failure and the throttle resistance changes while the car is sitting it could start to run.
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Unread 12-10-2014, 12:00 PM   #54
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Default Re: Couple of wiring questions.

Lot's of good troubleshooting info in this thread. Think I'll hitch a ride for future reference.
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Unread 12-10-2014, 01:31 PM   #55
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Default Re: Couple of wiring questions.

So. Ill be installing my new controller soon. Anything I should or could check for before I plug it in.

I know to have my tow switch off, key off.

Can I test any of the pins in the main connector or the main lugs that bolt on, to see if there is something off?

With the resistor on the solenoid, how many volts should I see on the other side (That goes to the controller)?

Thanks Guys..
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Unread 12-10-2014, 04:25 PM   #56
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Default Re: Couple of wiring questions.

With cart in tow, unhook both main battery cables. Then work on controller.
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Unread 12-10-2014, 05:03 PM   #57
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Default Re: Couple of wiring questions.

Quote:
Originally Posted by Merlinhaggard View Post
So. Ill be installing my new controller soon. Anything I should or could check for before I plug it in.

I know to have my tow switch off, key off.

Can I test any of the pins in the main connector or the main lugs that bolt on, to see if there is something off?

With the resistor on the solenoid, how many volts should I see on the other side (That goes to the controller)?

Thanks Guys..
Let me rephrase that question. With the key off how many volts should I see on the other side of the solenoid?From the resistor ..
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Unread 12-10-2014, 05:07 PM   #58
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Default Re: Couple of wiring questions.

If the other side of the solenoid is not connected to the controller, You will see exactly the same voltage in both sides.

That is because your Voltmeter will not use enough current to cause a voltage drop across the resistor on top of the solenoid.

If the other side is plugged to the controller, about 2-4v less I think.
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Unread 12-10-2014, 05:25 PM   #59
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Default Re: Couple of wiring questions.

Quote:
Originally Posted by Sergio View Post
If the other side of the solenoid is not connected to the controller, You will see exactly the same voltage in both sides.

That is because your Voltmeter will not use enough current to cause a voltage drop across the resistor on top of the solenoid.

If the other side is plugged to the controller, about 2-4v less I think.
I chalk that up to me not understanding electricity. With tow/run off and the key off, I have 49.9 on the right (batt side) and 46 on the left (controller side) Makes me wonder what the point of the solenoid is. Must be amperage something...

Im about to hook up the new charger I got from Scotty, per TD.. Exciting.
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Unread 12-10-2014, 06:36 PM   #60
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Default Re: Couple of wiring questions.

I feel like summarizing everything up to this point.

I got the DPI charger and just hooked it up. Tow run is on. I wanted to see if it caught any faults. It didn't. Its charging right now. Key switch is off and fwd/rev is neutral. So, it looks like its charging OK.

We ran through the MCOR test and they were off.

I've checked every wire, point to point and I'm 80% sure they are right. Some stuff I cant see or get to.

Voltage looks right to the major components.

Everything looks right other than it not running.

I read that the Blue/White to the solenoid will only flip from positive to negative 48V if all positive connections are solid.

Right now, its doing the reverse. Its 6v positive with the key on and 48v negative with the key off. Exactly backwards.

So how should I prioritize my next moves?

1. Focus on the Blue/White before installing the controller

2. Install the controller and see if the MCOR has better readings?

3. Plan on replacing the MCOR either way.

If the MCOR is bad, can it fry the new controller when I install it?

I haven't ordered an MCOR yet.

Basically asking if I can install the new controller when I get it, without a new MCOR or figuring out the Blue/White wire.

The help you guys give is very valuable, I will pay it back if ever I get the chance..
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