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Author Topic: M-Unit trouble.  (Read 448 times)

Offline Pat383ram

  • Posts: 58
M-Unit trouble.
« on: Jun 30, 2017, 00:11:38 »
I had the M-unit working but now just the "lock in" and "Aux out" are lit up. Really confused and would appreciate a little guidance if anybody is feeling helpful. Thanks!

Offline Sonreir

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Re: M-Unit trouble.
« Reply #1 on: Jun 30, 2017, 14:23:42 »
Possible short circuit. Remove all of the other wires and try hooking them up one at a time.

Also, disconnect the main battery line to the positive input and then reconnect it.
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

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Offline Pat383ram

  • Posts: 58
Re: M-Unit trouble.
« Reply #2 on: Jul 02, 2017, 13:06:57 »
Ok! did that and found the problem to be in the wiring of my high low beam switch to the M-Button! Ok so I think this switch isn't grounded properly. I have three wires coming out of it, Baby blue (at bottom)/Brown w/ White stripe (at middle) and solid White (at top). I guess I'm a little confused as to which of these three go to the M-Button wire marked "light", and which one goes to ground. And that would also leave one without a connection. Thank you guys so much, I have gotten this far with all the help!

Offline Sonreir

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Re: M-Unit trouble.
« Reply #3 on: Jul 02, 2017, 15:10:16 »
If I remember correctly, there are a couple of different ways you can set it up in the m-unit config, but the default is to toggle between the two every time the light wire is grounded. A momentary push button (like the style your horn or starter button uses) would be the easiest. If that's not a preferred option, wire the headlight main wire to the light input on the m-unit and then wire the output high from the dimmer switch to ground. Low remains unconnected to anything. Now, whenever you switch to high beam and back, it will change between high and low.
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

Custom Gauge Graphics
Custom Wiring Harnesses

DTT Red, White, and/or Black 360 Club - Better than those Blue guys