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 MANUALSFORD1999F 150 2WD PICKUP V6-4.2L VIN 2REPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIR
1999 Ford F 150 2WD Pickup V6-4.2L VIN 2
Alternator: Service and Repair
1999 Ford F 150 2WD Pickup V6-4.2L VIN 2SECTION Service and Repair
REMOVAL
1. Disconnect the battery ground cable.
NOTE: When the battery has been disconnected or reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its fuel trim. The vehicle may need to be driven 18 km (10 miles) or more to relearn the fuel trim.
2. Remove the drive belt.
3. Disconnect the generator electrical connections.
1 Disconnect the generator electrical connectors.
2 Remove the generator B+ cable nut and washer assembly.
3 Disconnect the generator B+ cable.
4. Remove the Generator (GEN).
1 Remove the bolts.
2 Remove the generator.
INSTALLATION
1. Install the generator.
1 Position the generator.
2 Install the bolts.
2. Connect the generator electrical connections.
1 Connect the generator B+ positive cable.
2 Install the generator B+ nut and washer assembly.
3 Connect generator electrical connectors.
3. Install the drive belt.
4. Connect the battery ground cable.
1. Disconnect the battery ground cable.
NOTE: When the battery has been disconnected or reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its fuel trim. The vehicle may need to be driven 18 km (10 miles) or more to relearn the fuel trim.
2. Remove the drive belt.
3. Disconnect the generator electrical connections.
1 Disconnect the generator electrical connectors.
2 Remove the generator B+ cable nut and washer assembly.
3 Disconnect the generator B+ cable.
4. Remove the Generator (GEN).
1 Remove the bolts.
2 Remove the generator.
INSTALLATION
1. Install the generator.
1 Position the generator.
2 Install the bolts.
2. Connect the generator electrical connections.
1 Connect the generator B+ positive cable.
2 Install the generator B+ nut and washer assembly.
3 Connect generator electrical connectors.
3. Install the drive belt.
4. Connect the battery ground cable.
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.