Headlamp wiper on passenger side not working on Volvo 2000 s-70 is it a fuse?

If the headlamp wiper on the passenger side of your 2000 Volvo S70 is not working, it could indeed be a fuse issue. Check the fuse box for any blown fuses related to the headlamp wipers. If the fuse is intact, the problem could also be due to a faulty wiper motor or a wiring issue. Inspect those components if the fuse is not the culprit.