Lightweight running well until day before MOT due, then electrics gone funny. No indicators and no horn when lights on only a crackling screech from bulkhead.
Swapped over Hella blinker box and indicator stalks other Lightweight I'm restoring and all working fine, so guessing it must be relay after checking earths.
But SRB113 relay (part no 551407) seems to be advertised in some ads as "auxiliary relay" and "brake relay" in others?

Welcome?

Relays are called all sorts of things, so long as the terminals and voltages/amperages are the same then no problem.

I think ...

Thanks for the replies and the welcome.
Strange that there is such a huge difference in price for what seems to be the same item - from £30 up to over £80 - when you compare the ads online.
Bought the old Landie after seeing it lying abandoned in a steading (barn) in deepest Aberdeenshire about 20 years ago, so the relay has lasted pretty well I guess!