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 MANUALSFORD1994F 150 4WD PICKUP V8-351 5.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONPINPOINT TESTSX - CONSTANT CONTROL RELAY MODULE (CCRM)X36 - CHECK FAN MOTOR OPERATION
1994 Ford F 150 4WD Pickup V8-351 5.8L
X36 - Check Fan Motor Operation
1994 Ford F 150 4WD Pickup V8-351 5.8LSECTION X36 - Check Fan Motor Operation
- Key "OFF".
- Powertrain Control Module (PCM) disconnected.
- Jumper Pin 3 to Pin 6 at the CCRM vehicle harness connector.
- Does fan run?
Yes -- Go to X37. X37 - Check Fan Motor Operation
No -- Go to X38. X38 - Measure Battery Voltage Supply at Fan - Bypassing CCRM
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:
- • 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.