Electronic voltage regulator for Bosch generator only, for Ambassador, Eldorado, 1969-1971 V7 Special, 850GT and V700. This is a solid state regulator, rather than mechanical.
May require changing 9.5mm female connectors on your wiring harness to the more conventional 6mm type, depending on your configuation.
Generators require suitable regulators. This voltage requlator will not work with a Marelli generator.