Hi @peter99 ,
Here’s a link to the [https://www.yamahaventure.nl/pdf/ownersmanualxvz1300.pdf|owner manual].
Scroll to Sect. 9.49 - 9.50. There are images and diagrams that may be of some help.
Here’s also an image taken from this [https://www.yamahaventure.nl/pdf/86-93xvz1300electricalinfo.pdf|link], that may also be of some help.
[image|1721255]
(click on image to enlarge for better viewing)
The above links were found on this [https://www.yamahaventure.nl/xvz-1300.html|website].