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Unread 01-13-2016, 01:15 PM   #21
MC1
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Default Re: Bad MCOR or something else?

Quote:
Originally Posted by Sergio View Post
That was not the diode I am talking about, I am not even sure that diode is really needed in your setup, but in either case it will not cause any problems.

There is, or should be, a diode installed across Your solenoid small posts.

.

The pre-charge resistor? When I installed it I did not notice any directional issues, but will double check.

Here is the basic wiring diagram I've been referring too and the solenoid. in several wiring diagrams I see no reference of a diode being used.
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Unread 01-13-2016, 01:50 PM   #22
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Default Re: Bad MCOR or something else?

You must have the OEM solenoid and the diode is hard to see.

The diode, sometimes referred to as "flyback" diode, must be installed, reversed biased, across every solenoid and relay coil to prevent the high voltage that is generated by coil when it gets de-energized from damaging the device that turned it OFF.

I am attaching a picture of the OEM solenoid, look at the 0.250" quick connects for the coil, You will see the diode installed with the stripe towards the positive terminal where the light blue wire should be connected.

You will need to disconnect one of the diode leads in order to test the diode with the multi-meter.

Here is a better wiring diagram for You cart.

http://www.buggiesgonewild.com/attac..._iq_wiring.jpg
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Unread 01-13-2016, 02:00 PM   #23
MC1
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Default Re: Bad MCOR or something else?

I SEE IT NOW.

EDIT- It's on the solenoid as noted.

Blue/white wire goes from the other post and into the controller.


I've got that wiring diagram as well, just find the other one easier to follow.
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Unread 01-13-2016, 02:08 PM   #24
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Default Re: Bad MCOR or something else?

Here is one of those wiring diagram versions in high resolution:

http://www.buggiesgonewild.com/attac...ecedent_iq.jpg
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Unread 01-15-2016, 07:39 AM   #25
MC1
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Default Re: Bad MCOR or something else?

appears it was the controller. Put the rebuilt one on, pressed GO and the wheels spun- so in the right direction. No sure about speed, but I'll tackle that separately.


Great info on this thread about how to diagnosis issues, again thanks.

Now onto redoing the brakes.
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