Voltage regulator, 2 wire type
12V Voltage regulator for alternator.
For 2 wire type alternator.
Suits H van after July 1970, 2CV etc.
You may need to remove the plug, where fitted, and alter your vehicle wiring terminals to suit this regulator.
Please see the pictures for terminal functions and use a test lamp or multi-meter to determine which wire does what on your vehicle.