[Alpines] They don't call it an 'idiot' light for nothing

[John and Sandra Lee]

Discovered today that the big problem with my wiring job (Mk1A converted 
to Alternator) - big problem being that the system wasn't charging had 
to do with the fact that I didn't have a bulb in the idiot light 
circuit, which interrupted power to the 'I' terminal on the Voltage 
Regulator... oops!   So I'm going to make sure to put a resistor in 
parallel with that light so that it ever burns out it won't kill my 
charging circuit (like the stock MK2).

I notice also on the stock MK2 wiring diagram a 6RA Relay (which Sunbeam 
Specialties refers to as a Field Isolating Relay, I'm assuming). There 
is one on my Series V Alpine, but I don't quite understand how it works 
for an Alternator-powered Tiger, as it isn't connected to the 'Field' 
circuit at all. Anyone know what this relay does in the Tiger, and if it 
is necessary?

Cheers,

Ryan Lee

p.s. Engine runs (first time since 1973) and sounds awesome!