This 12v VDO five-pin, headlamp relay was fitted to all T2s 1971–1979,
Beetles 1971 onward, and T25 1979–1992.
To convert for use on earlier vehicles – or for use on 12v conversions –
please see diagram.
Maybe you have to change some of the cables but here you get a VDO unit
OEM part number
111-941-583
311-941-583B