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Author Topic: High Beam Switch not working M-unit V2  (Read 1474 times)

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Offline Northern Flyer

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  • 1973 CB750K The Precious
High Beam Switch not working M-unit V2
« on: July 11, 2019, 07:32:37 PM »
I'm finishing up the build on my 73 CB750. I've added LED turn and brake signals, tail light, mini gauges, M-unit V2 (original).
I am using stock style handlebar switches; the on/off light switch is on the right side and high beam is on left side.
There was a post/exchange between Monkey04 and calj737 for the same issue except my wire colors differ from what calj737 described.
I am using an aftermarket Honda style switch(s).
I have not had the bike running yet but everything seems to be working except the high beam switch. My wire colors are as follows:

White - Light input on M-unit
Orange - Left turn signal
Lt Blue - Right turn signal
Orange/White - ignored
Blue/White - ignored
Grey - ground
Blue - ignored
Lt Green - Horn
Brown/White - ignored
Black/Brown - ignored
Black/Red - ignored

If I touch the grey and white wires together, the high beam on the headlight comes on.

Any help would be greatly appreciated!
Thanks.
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Offline gbal06

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  • Posts: 289
Re: High Beam Switch not working M-unit V2
« Reply #1 on: July 23, 2019, 04:03:50 PM »
not to hijack but I have the same issue with the munit.  Did you ever figure out the issue?
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Offline hagar24

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Re: High Beam Switch not working M-unit V2
« Reply #2 on: August 03, 2019, 05:31:43 PM »
Quote from: Northern Flyer on July 11, 2019, 07:32:37 PM
I'm finishing up the build on my 73 CB750. I've added LED turn and brake signals, tail light, mini gauges, M-unit V2 (original).
I am using stock style handlebar switches; the on/off light switch is on the right side and high beam is on left side.
There was a post/exchange between Monkey04 and calj737 for the same issue except my wire colors differ from what calj737 described.
I am using an aftermarket Honda style switch(s).
I have not had the bike running yet but everything seems to be working except the high beam switch. My wire colors are as follows:

Did you connect the wires for the high beam to the m unit, there should be a in and out on the box

White - Light input on M-unit
Orange - Left turn signal
Lt Blue - Right turn signal
Orange/White - ignored
Blue/White - ignored
Grey - ground
Blue - ignored
Lt Green - Horn
Brown/White - ignored
Black/Brown - ignored
Black/Red - ignored

If I touch the grey and white wires together, the high beam on the headlight comes on.

Any help would be greatly appreciated!
Thanks.
Logged
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