[NOBBC] head light relay installation on a TR-6

[NOBBC]

Hi Dean,
Sorry for the delay.
I've used relays on my Elans and other cars, and intended to hook up a 
set for the headlights on the TR6 but haven't done so. Are you using 
your own parts, or an aftermarket sub-harness? If your own parts, why 
not just connect the original wiring to the horn to the relay control, 
then a fresh 12V supply to the relay and headlights?
Cheers,
Greg