Negative earth only.
Smiths Voltage Stabiliser, MGB, Triumph TR4 & Spitfire, Positive E, Gauge
New Smiths voltage stabiliser for Anglia/Cortina Pt.No. BR1300/00 (E371-NE-2)
Smiths Gauges BR1308 Voltage Stabiliser BHA4602 for MGB & Negative Earth Cars
Smiths Gauge Voltage Stabiliser Land Rover Series 2 2a 3 negative earth
Smiths Gauges BR1307 Voltage Stabiliser 148876A for Triumph Jaguar Land Rover MG
Smiths Gauge Voltage Stabiliser Land Rover Series 2 2a 3 Positive earth