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GMC Truck
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1988
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G 3500 1 Ton Van V8-454 7.4L
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Repair and Diagnosis
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Locations
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Connector Locations
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Left Side View
Left Side View
Engine Wire Routing (Left Side):
5
=
OXYGEN SENSOR CONNECTOR.
24
=
COIL.
28
=
ENGINE TEMPERATURE SENSOR.
53
=
FUEL PUMP WIRING HARNESS.
57
=
ENGINE GROUND TERMINAL.
72
=
GROUND STRAP.