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GMC
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2004
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Envoy 4WD
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transmission, 4L60-E/4L65-E (Troubleshooting)
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Diagnostic Information and Procedures
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Third Gear Only
Third Gear Only
Third Gear Only
Checks
Causes
System Voltage
12 volts not supplied to transmission
Electrical short (pinched solenoid wire)
Solenoid not grounded