The relays that supply the components of the D-Jetronic with voltage are located in the engine compartment on the right wheel housing.
Relay for the cold start valve, only in model years 1970 and 1971: Supplies voltage to the cold start valve.
Fuel pump relay: Supplies 12 volts to the fuel pump.
Main relay: Supplies 12 volts from battery to control unit when ignition is on.