Tommy - it seems you are well versed in respect of alternators. I have some halogen Cibie Oscars & Cibie Super Oscars that I want to fit to my V70 Estate. The wiring, switches and double relays are already installed.
The bulbs are 130w so I doubt the standard alternator output is up to the task.
Is there a Volvo alternator higher than 100A - or an alternative?
Good luck with your own quest
Adrian