Original Factory Soft Cover Manuals from GMC in Good Condition: This manual is a supplement to the 1974 Truck Wiring Diagram Manual- X7430 and contains wiring diagrams for truck models listed below.
Truck Series Covered:
- C-10,20,30; C-15,25,35
- K-10,20,30; K-15,25,35
- P-10,20,30; P-15,25,35
- G-10,20,30; G-15,25,35
- C-80, D-80
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