Section MD-7736 · Pages 13–24 (12 pages)

Medium and Heavy Truck Diagrams, MD-7736 to MD-8162

From the 1972 GMC Truck Wiring Diagrams

Year
1972
Make
GMC
Vehicle
C/K Trucks, G Vans, Heavy Duty Trucks, Light Duty Trucks, Medium Duty Trucks, P Forward Control, Trucks
Type
Wiring Diagrams
Models
C, K, G, P 1500–3500; Series 4500–9500 gas and diesel
Publication
X-7205
Pages
50

Long fold-out cab, engine and chassis diagrams for the HM/JM-7500 (MD-7736 and MD-7737, the latter with Allison transmission circuits), the Detroit Diesel and Cummins 7500 and 9500 models, the TM/WM-7500 and TE/TM-5500 and 6500 trucks (MD-7890) and the HM-8721B (MD-7917). Each shows ground straps, starter interlock, gauges, lamps and fusible links, with connector location legends. Diagram numbers on pages 15–21 and 23 were not individually read; the index gives MD-7739 to MD-8162 for these series.

What this section covers

  • HM/JM-7500 (MD-7736, MD-7737)
  • Detroit Diesel HV/JV, HH/JH, HI/JI/MH-9500 models
  • Cummins HC/JC, HN/JN-9500 models
  • TM/WM-7500 and TE/TM-5500 and 6500 (MD-7890)
  • HM-8721B cab, engine and chassis wiring (MD-7917)
  • Connector junction and location legends
Read from page 13
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