Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
Have you compared the old loom colours with the new ones from the front to the rear including any wiring spurs / clusters along the length?
Al does one for the F2. https://alans-electrics.alanlowe.co.uk/honda-stock/honda-2
If you can use a multimeter it can be sorted BUT long distance electrics is not easy!You could bring it to Gloucester and i will sort it
Do you have images of the DSS CB550F1/2 wire harness?Old original wire harness attached...insulation colour reference
Head light shell wiring would be good. Image attached of the old CB550F1/2 loom head light shell wiring connections.