It sounds like it.
My TD has the high beam indicator on the left headlight shell.
Forgive me for asking the obvious, but is it wired into the lighting circuit?
Paul Mossberg
Former Owner of a 1981 Classic Roadsters Ltd. Duchess (VW)
2005 Intermeccanica Roadster
If you own a TDr and are not in the Registry, please go to https://tdreplica.com/forums/topic/mg-td-replica-registry/ and register (you need to copy and paste the link)