Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1042 (COMPONENT TESTING)COMPONENT TESTINGIGNITION SWITCH (11572)COMPONENT TESTING PROCEDURE
2004 Ford Econoline E150, Van Cargo, 4.6 W
Component Testing Procedure
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Component Testing Procedure
WARNING: This page is about a different car, the 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
IGNITION SWITCH (11572) 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 | 12 and 13 7 and 3 9 and 3 |
Off/Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Closed circuit | ||
| Start | Open circuit | ||
| Run/Start power circuit | 2 and 1 | Off/Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Closed circuit | ||
| Start | Closed circuit | ||
| Run/Acc power circuit | 7 and 3, 2 and 3 | Off/Lock | Open circuit |
| 2 and 3 | Accessory | Closed circuit | |
| 7 and 3 | Run | Closed circuit | |
| 7 and 3, 2 and 3 | Start | Open circuit | |
| Start power circuit | 2 and 1 9 and 5 |
Off/Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Open circuit | ||
| Start | Closed circuit |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.