EL3b - Voltage stabilizer 10/64 - 11/66 (5 volt) negative earth

Voltage stabilizer 10/64 - 11/66 (5 volt) negative earth - for car operating with a negative earth battery connection

This unit fits to the rear of the main dial clocks and controls the voltage supplied to the supplementary guages such as the fuel & temperature

The auxillary gauges on cars cars built between 9/62 & 10/64 operate at 10 volts through the voltage stabilizer but cars built between 10/64 - 11/66 operate on 5 volts for the gauges.