Ignition Switch with 4 Positions (No Keys)

Part No: 709523

4 position Lucas type key start switch body with heat position.

Supplied without the barrel and keys - order as an extra (709527).

Through panel mounted key switch, supplied with 1/2" BSP chromed fixing nut.

Very popular. Used by Thornycroft engines and Perkins engines. Replaces Thornycroft part number 54381445

Can be used with energised to run and heater glow plugs, making this switch ideal for diesel engines. Requires a cut out hole of 18.5mm diameter.

- Terminal 1: Live in.

- Terminal 2: Unswitched Aux (live through sweep)

- Terminal 3: Starter.

- Terminal 4: Switched Aux (off in heat start position)

- Terminal 5: Heater plugs.