Section 12 · Pages 215–234 (20 pages)

Chassis Electrical and Instruments

From the 1972 Chevrolet Heavy Duty Truck Shop Manual Supplement, Series 70–90

Wire size notes, circuit breakers, lamps, instruments such as the ammeter, oil pressure gauge and speedometer, the hot engine switch and two-speed axle circuits for conventional cab, tilt cab and RM80 models, with specifications.

Read this section free, starting at page 215

What this section covers

  • Circuit breakers
  • Lamps
  • Instruments and gauges
  • Tilt cab and conventional cab circuits
  • Specifications
Year
1972
Make
Chevrolet
Vehicle
Heavy Duty Trucks, Trucks
Type
Service Manual, Supplement
Models
Series 70, 80 and 90
Publication
ST-332-72
Pages
242

What’s inside

Service supplement

  1. Introduction and Model Datapp. 1–6
  2. 0Lubricationpp. 7–18
  3. 1Cab and Body Mountingspp. 19–26
  4. 2FrameGeneral rules for frame repair and reinforcement, such as never welding reinforcements across the frame flanges or within 3/4 inch of a flange edge.pp. 27–28
  5. 3Front Suspensionpp. 29–38
  6. 4Rear Suspensionpp. 39–50
  7. 5Brakespp. 51–58
  8. 6AGasoline Enginespp. 59–66
  9. 6C53 and 71 Series Diesel Enginespp. 67–86
  10. 6DEngine Mountingspp. 87–92
  11. 6KEngine Cooling Systempp. 93–100
  12. 6MEngine Fuel Systempp. 101–116
  13. 6TAir Compressor and GovernorAir compressor drive belt tension for new and used belts using gauge J23600, and related compressor and governor notes.pp. 117–118
  14. 6YEngine Electricalpp. 119–156
  15. 7Transmissionspp. 157–172
  16. 7DClutch Controls and Clutchespp. 173–178
  17. 8Fuel Tank and Exhaustpp. 179–182
  18. 9Steering Systempp. 183–192
  19. 10Wheels and Tirespp. 193–212
  20. 11Sheet Metal and FiberglassFiberglass fender extension and seal replacement on H and J models.pp. 213–214
  21. 12Chassis Electrical and Instrumentspp. 215–234
  22. 13Radiator and Surge Tankpp. 235–242

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