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 MANUALSFORD1991RANGER 4WD V6-245 4.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMRELAYS AND MODULES - IGNITION SYSTEMIGNITION CONTROL MODULESERVICE AND REPAIR
1991 Ford Ranger 4WD V6-245 4.0L
Ignition Control Module: Service and Repair
1991 Ford Ranger 4WD V6-245 4.0LSECTION Service and Repair
REMOVAL:
1. Disconnect both battery cables, then remove the battery from the vehicle.
2. Disconnect the electrical connector from the ignition module.
NOTE: To disconnect the module connector, push on the connector where it says PUSH, then slide the connector from the module.
3. Remove the ignition module retaining bolt and remove the module by sliding the assembly up until it is released from the teardrop shaped hole in the sheet metal.
INSTALLATION:
1. Place the module on the sheet metal so the retaining rivet passes through the hole, then slide the module down into position. Install the retaining bolt. Torque to 22-31 in lb (2.2-3.5 Nm).
2. Connect the electrical connector to the module.
3. Install the battery and cables.
Ignition Module:
1. Disconnect both battery cables, then remove the battery from the vehicle.
2. Disconnect the electrical connector from the ignition module.
NOTE: To disconnect the module connector, push on the connector where it says PUSH, then slide the connector from the module.
3. Remove the ignition module retaining bolt and remove the module by sliding the assembly up until it is released from the teardrop shaped hole in the sheet metal.
INSTALLATION:
1. Place the module on the sheet metal so the retaining rivet passes through the hole, then slide the module down into position. Install the retaining bolt. Torque to 22-31 in lb (2.2-3.5 Nm).
2. Connect the electrical connector to the module.
3. Install the battery and cables.
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.