Lucas Rb340 Wiring Diagram. • the large wire from your dynamo should be attached to 'd' on the regulator, internally this is linked to both b terminals via the 50a fuse whereby it continues on through to your ammeter and back to your battery. The rb340 control box succeeded the rf95 and rb310 types and was commonly found in a wide range of popular british vehicles, including austin, jaguar, mg and triumph products.
Lucas Ncb130 Rb340 Control Box Reproduction from www.holden.co.uk There are several wiring diagrams as to what goes where when using an alternator which we understand. Lucas rb340 voltage regulator wiring diagram in addition, it will include a picture of a kind that might be observed in the gallery of lucas rb340 voltage regulator wiring diagram. Wiring changes at the voltage regulator: Mine have chrome stems a couple of inches high and they would probably work fine attached directly to the splash apron and the wiring would be easier to hide. The 11a version is mainly used on agricultural equipment, tractors etc.
4.remove field lead (f) and warning light from regulator (small wire at d terminal) and attach together.
The last of the line lucas rb340 regulator (early 1960's until around 1973). The lucas rb.340 control box. I had the lucas 8(cobra lights) installed back in the mid '70's and they worked great but the flicker of the lights with the cars vibration was a little annoying. Lucas type rb340 dynamo regulator control box, also known as ncb130. 1) remove your old control box and wire the dynalite in. Colours at the dynamo/alternator should be a heavy brown/yellow with a large (9.5mm) lucar terminal and a thin brown/green with a small (6.3mm) lucar terminal connect these to the appropriate alternator terminals.
