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GMC
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2001
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C3500 HD 8.1 G, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 8.1L - Component Locator
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Component Locator
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Engine Control System Connector End Views
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Ignition Coil 1
Ignition Coil 1
Ignition Coil 1
Connector Part Information
12162144
4-Way F Metri-Pack 150 Series Sealed (BLK)
Pin
Wire Color
Circuit No.
Function
A
BLK
550
Ground
B
BRN
2129
Low Reference
C
PPL
2121
IC 1 Control
D
PNK
1039
Ignition 1 Voltage