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? Part Identifier

Ignition Switch | 4 Position | No Keys

Part No. 709523

41.08 You pay £49.30 Incl VAT You pay £41.08 Excl VAT

RRP £51.89 £43.24

Save £2.59 (5.0%) Save £2.16 (5.0%)

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Overview
Brand ASAP Electrical
Supplied with Please order Key separately, Part Number: 709527.
Diameter Cut Out: 18.5mm
Thread Size 1/2" BSP
Replaces Thornycroft Part Number: 54381445.
Description

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 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.

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