No need to reply - I figured out the problem/cause: the fuse for the brake lights blew and that caused the relay to have a hissy fit. All fixed now, and the N10 combination relay is working as quietly as a mouse.

1962 MB 220SEb "Fintail" Sedan
1963 Vespa VNB4T Motor Scooter
1992 MB 300TE4Matic Wagon
1995 Subaru Wagon