Lucas/Wassell 1970-74 Norton Commando Headlamp Harness

Grant Tiller

Wassell make a great wiring loom for the Norton Commando.

Specifically I am referring to this sub-harness Lucas Part Number 54960724 which is listed as being for the Norton Commando 1970-74 Headlamp Harness.

Wassell sell this item under the Lucas name, as they have licensed the rights to use the name for some of the classic motorcycle parts.

An excerpt from the Wassell website about this licensing deal is as follows:

In 2014, Wassell acquired the licence for the Lucas brand from Lucas Industries Limited, for Classic Motorcycle parts. In conjunction with Lucas, an extensive product development programme for Classic Motorcycle parts was initiated, to once again, establish Lucas as a market leader within the industry. Further information is available at

In 2019, Wassell acquired the extended licence for Lucas Classic products, and Girling products worldwide, for Classic motorcycles. The Lucas Classic programme launched in 2019, and included the Lucas Classic Car, Lucas Classic Landrover, and Lucas Classic Motorcycle divisions.

The Wassell history page is an interesting read, and I urge you to take a look!

Grant Tiller

However, since the very beginning, the “Installation Plan” on their website which is also handily printed in colour and included in the packaging when you buy the item is actually wrong.

Grant Tiller

Here is the original “Installation Plan”

Grant Tiller

I have highlighted the parts that are incorrectly labelled and wrongly drawn:

Grant Tiller

This is the corrected version of the “Installation Plan”

Grant Tiller

As usual, I have contacted Wassell about this in the past, as I have helped a few people that have run in to issues.

However, as usual, it has fallen on deaf ears, and several years on they still have not changed it.

Hopefully this will help someone somewhere!!!!

There are several errors on the paper instructions/guides that come with the Lucas/Wassell harnesses.

To my knowledge, the harnesses themselves are fine – they are made by Autosparks, whose history can be traced back to the original ones supplied to Norton.

Here are the pages with corrections:

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