The 1973 to 1987 Chevy truck, often referred to as the “Square Body” Chevy, is an iconic classic American truck known for its durability and timeless design. These trucks were a staple on American roads, offering both style and functionality.
Technical Specifications:
The ’73 – ’87 Chevy truck lineup featured a variety of engine options, including small-block V8s and inline-six engines, catering to different power and performance needs. These trucks came in various bed lengths and cab configurations, providing flexibility for both work and personal use. They were available in rear-wheel drive (2WD) and four-wheel drive (4WD) setups, and you could choose from manual or automatic transmissions.
Common Issues:
While these trucks were known for their robust construction, a few common issues were reported by owners over the years. These included rust and corrosion, which could affect various body panels, especially in regions with harsh weather conditions. Electrical issues, such as problems with the ignition system or malfunctioning lights, were also occasionally encountered. The suspension components, particularly bushings and shocks, may require replacement due to wear and tear.
Fuse and Relay Diagram:
In this article, we will provide a valuable resource: a detailed fuse and relay diagram specific to the ’73 – ’87 Chevy truck. This diagram can be indispensable for troubleshooting electrical problems and ensuring the proper function of various systems within the vehicle. Whether you’re restoring a classic or simply maintaining your daily driver, having access to this diagram can make your ownership experience smoother and more enjoyable.
In summary, the ’73 – ’87 Chevy truck is a beloved classic that combines style, durability, and versatility. This article aims to offer a comprehensive overview of the truck’s technical specifications and common issues, along with the essential inclusion of a fuse and relay diagram to assist owners and enthusiasts in maintaining and enjoying these timeless vehicles.
Passenger Compartment Fuse Panel
- A – Fuse – Traffic Hazard
- B – Fuse – Tail, Stop Courtesy Lamps
- C – Receptacle – TP2 /M40
- D – Fuse – Radio & TCS
- F – Receptacle – C91/UF2 (Cargo Area Lamp)/U35/U37
- G – Fuse – Heater / Air Cond.
- H – Receptacle – C62
- I – Fuse – Accessory
- J – Fuse – Panel Lights
- K – Receptacle – NL2/A33/U16 (Tachometer)
- M – Receptacle – Accessory Lamps
- N – Not Used
- O – Fuse – Reversing Lamps
- P – Fuse – Instrument Cluster Feed
Engine Compartment Fuse Box
- A – Choke
- B – Fuse – Heater / Air Cond.
- C – Receptacle – Accessory
- D – Receptacle – Ignition ( key on power)
- E – Fuse – Auxillary Heater / AC
- F – Fuse – Instrument Cluster Feed (gauges)
- H – Fuse – Tail Lights, Courtesy Lamps
- I – Fuse – Wipers
- J – Fuse – Horn
- K – Receptacle – Power Accessories & other Accessories
- L – Receptacle – Battery (constant power)
- N – Not Used P – Fuse – Turn Signals, Reversing Lamps
- R – Fuse – Fuse – Radio & TCS (Idle)
- X – Receptacle – LOS
- Z -Fuse – Stop (brake) Lights, Traffic Hazard Flashers