Anyone added a relay to horn circ? - Britbike forum

Voltage - Britbike forum

1953 BB horn - Britbike forum

Voltage - Britbike forum

Can you help ID this frame? - Britbike forum

Anyone added a relay to horn circ? - Britbike forum

Horn relay? - TR4/4A Forum - TR Register Forum

1968 bsa thunderbolt wiring - Britbike forum

Horn Repair ? Triumph Rat Motorcycle Forums

1964 TR6/R Resto - Britbike forum