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September 19, 2019

Norton Commando Wiring Diagram + Power Arc + MC2 coil

by Grant Tiller
Grant Tiller

This is as per the Power Arc electronic ignition diagram I have detailed in the post prior to this.

However, the diagram has also been amended to accommodate the MC2 dual output single coil that is sold in the Old Britts kit.

Grant Tiller

The MC2 coil is a little unusual in that it features a continuous supply, but has a third terminal which triggers the coil on and off (most coils have just two terminals)

My diagram is a little different to Fred and Ella’s.
Fred has taken a separate -ve fused feed directly from the battery for the MC2.
This means that the coil is not powered down on the ignition switch, something that I personally don’t like.

I have, instead taken the feed from the white wires in the main connector block (which is situated right next to the coil location anyway) so it is therefore de-energized when you turn the ignition key to the off position.
I could have tee’d into the blue/white that comes from the kill switch, however it is in our interest to lessen the load we put through our delicate handlebar switchgear as much as possible!!!

Here follows the wiring diagram for the Power Arc electronic ignition + MC2 coil.

Good Quality JPG 1280×769

Grant Tiller

High Quality PNG 3066×1841

Grant Tiller

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