What does 31 represent on a wiring diagram?
For exam- ple, a terminal 31 designation always refers to a direct connection to vehicle ground and a terminal 30 designation always represents a direct connection to the battery positive terminal.
What is listed on a wiring diagram?
It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices. A wiring diagram usually gives information about the relative position and arrangement of devices and terminals on the devices, to help in building or servicing the device.
What items must be shown on a wiring diagram?
Wiring diagrams should identify all equipment parts, devices, and terminal strips with their appropriate numbers, letters, or colors. Designation of terminals and connections between the components are clearly identified to help build or repair the equipment shown in the drawing.
What is block diagram give example?
A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks. They are heavily used in engineering in hardware design, electronic design, software design, and process flow diagrams.
What is the alpha code on a wiring diagram?
All circuits in the diagrams use an alpha/numeric code to identify the wire and its function. To identify which circuit code applies to a system, refer to the Circuit Identification Code Chart. This chart shows the main circuits only and does not show the second- ary codes that may apply to some models.
Is there a free wiring diagram for a GM Truck?
Access our free Wiring Diagrams Repair Guide for GM Full-Size Trucks 1988-1998 through AutoZone Rewards. These diagrams include: Fig. 2: Sample Diagram: How to Read and Interpret Wiring Diagrams
What does a reference number on a wiring diagram mean?
Incomplete components have a reference number to indicate the page where the component is shown complete. It is important to realize that no attempt is made on the diagrams to represent components and wiring as they appear on the vehicle. For example, a short piece of wire is treated the same as a long one.
What is the Dash label light Terminal 7?
6 Dash Label Light Terminal 7 1973+ Turn Signal Terminal 7 Brake Warning Light, Brake Warning Switch., Sending Unit(s) Splice 7 Aftermarket Tach.