Hi and thanks for using 2CarPros.
If the battery is getting 17 volts, the regulator is bad. Also, this can cause many electrical issues and even a fire.
The voltage regulator is part of the alternator. With that in mind, remove it and have it bench tested.
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Here are directions, if needed, for removal and replacement. All attached pictures correlate with these directions.
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GENERATOR REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the battery negative cable.
2. Remove the drive belt.
Picture 1
3. Disconnect the battery positive cable nut (1) on the generator.
Picture 2
4. Remove the A/C line mounting bracket bolt at the engine life hook.
Picture 3
5. Remove the right engine lift hook bolts and remove the lift hook.
Picture 4
6. Remove the 3 generator mounting bolts and remove the generator.
INSTALLATION PROCEDURE
1. Install the generator and secure the generator with 3 bolts.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the generator bolts to 50 N.M (37 lb ft).
Picture 5
2. Connect the battery positive cable to the generator and secure the positive cable with the nut (1).
Tighten
Tighten the generator positive cable nut to 9 N.M (80 lb in).
Picture 6
3. Install the engine lift hook and secure the lift hook with 2 bolts.
Tighten
Tighten the bolts to 50 N.M (37 lb ft).
Picture 7
4. Install the A/C line bracket to the lift hook and secure the bracket with the bolt.
Tighten
Tighten the A/C line bracket bolt to 10 N.M (89 lb in).
5. Install the drive belt.
6. Connect the battery negative cable.
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Again, have the alternator bench tested to confirm the regulator is working.
Let me know what you find or if you have other questions.
Joe
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Monday, February 4th, 2019 AT 7:41 PM