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GMC Truck
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1983
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G 3500 1 Ton Van L6-250 4.1L VIN D 2-bbl
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Technical Service Bulletins
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A/T - Diagnosing Converter Lock-Up Problems
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Test # 12 - Checking Signal Oil Circuit
Test # 12 - Checking Signal Oil Circuit
TEST # 12
CHECK SIGNAL OIL CIRCUIT