Component testing procedure

2009 Ford Ranger 2D Pickup, 2.3 D, AutomaticSECTION Component testing procedure
WARNING: This page is about a different car, the 2008 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
IGNITION SWITCH - COMPONENT TESTING

Circuit to test Connect self-powered test light or ohmmeter to terminals Move key to these positions A good switch will indicate
Run power circuit 3 and 7
8 and 9
12 and 13
Off/Lock Open circuit
Accessory Open circuit
Run Closed circuit
Start Open circuit
Run/Start power circuit 1 and 2 Off/Lock Open circuit
Accessory Open circuit
Run Closed circuit
Start Closed circuit
Acc power circuit 2 and 3 Off/Lock Open circuit
Accessory Closed circuit
Run Open circuit
Start Open circuit
Start power circuit 5 and 9 Off/Lock Open circuit
Accessory Open circuit
Run Open circuit
Start Closed circuit
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.