If you are working on restoring a 1968 Dodge Charger or simply need to replace the AC wiring, having a wiring diagram is essential. In this article, we will provide a detailed guide to 1968 Dodge Charger AC wiring diagram to help you navigate the process with ease.
What is a Wiring Diagram?
A wiring diagram is a visual representation of electrical connections and functions. It provides a detailed view of the electrical system and includes information about the wiring layout, wire colors, and connections. A wiring diagram helps to identify which wires are responsible for powering different electrical components, making it easy to diagnose and troubleshoot problems in the electrical system.
How to Read a Wiring Diagram
Before we dive into the details of the 1968 Dodge Charger AC wiring diagram, it is essential to understand how to read a wiring diagram. Most wiring diagrams have standardized symbols to represent electrical components and their connections. Here are a few tips to help you read a wiring diagram:
| Symbol | Description |
|---|---|
| Square | Represents a switch |
| Rectangle | Represents a connector |
| Circle | Represents a light bulb |
| Triangle | Represents a battery |
1. Start by identifying the main power source, usually a battery symbol.
2. Follow the wires to identify the different electrical components and their connections, such as switches, lights, and connectors.
3. Look for any color-coded wires, which indicate specific functions, such as power or ground.
4. Check for any notes or labels on the diagram that provide additional information or instructions.
1968 Dodge Charger AC Wiring Diagram
The 1968 Dodge Charger AC wiring diagram consists of several components and connections. Let’s take a closer look at each section:
AC Compressor Circuit
The AC compressor circuit consists of several wires and connections that power the compressor, which is responsible for cooling the air. The wires are color-coded, and each wire has a specific function. Here is a breakdown of the wires in the AC compressor circuit:
1. Dark Green – Supplies power to the AC compressor clutch.
2. Orange – Supplies power from the AC compressor clutch to the blower motor relay.
3. Red – Supplies power from the AC compressor circuit breaker to the AC compressor clutch.
4. Tan – Supplies power from the AC compressor clutch to the blower motor relay.
5. Black – Ground wire for the AC compressor circuit.
Blower Motor Circuit
The blower motor circuit is responsible for controlling the fan speed and directing airflow. The circuit consists of several wires and connections that power the blower motor and control its speed. Here is a breakdown of the wires in the blower motor circuit:
1. Light Blue – Supplies power from the blower motor relay to the blower motor.
2. Black – Ground wire for the blower motor circuit.
3. Tan – Supplies power from the AC compressor clutch to the blower motor relay.
4. Orange – Supplies power from the blower motor relay to the resistor assembly.
5. Pink – Supplies power from the resistor assembly to the blower motor.
Temperature Control Circuit
The temperature control circuit is responsible for regulating the temperature of the air conditioning system. The circuit consists of several wires and connections that control the temperature control switch, sensors, and controls. Here is a breakdown of the wires in the temperature control circuit:
1. Dark Blue – Supplies power to the temperature control switch from the ignition switch.
2. Yellow – Supplies power to the blower motor relay from the temperature control switch.
3. Orange – Supplies power from the AC compressor clutch to the temperature control switch.
4. Light Green – Supplies power to the temperature sensors from the temperature control switch.
5. Black – Ground wire for the temperature control circuit.
FAQ
What is the purpose of a wiring diagram?
A wiring diagram is a visual representation of electrical connections and functions. It provides a detailed view of the electrical system and includes information about the wiring layout, wire colors, and connections. A wiring diagram helps to identify which wires are responsible for powering different electrical components, making it easy to diagnose and troubleshoot problems in the electrical system.
What are the common symbols used in a wiring diagram?
Wiring diagrams have standardized symbols to represent electrical components and their connections. Some common symbols include a square for a switch, a rectangle for a connector, a circle for a light bulb, and a triangle for a battery.
How do I read a wiring diagram?
To read a wiring diagram, start by identifying the main power source, usually a battery symbol. Follow the wires to identify the different electrical components and their connections, such as switches, lights, and connectors. Look for any color-coded wires, which indicate specific functions, such as power or ground. Check for any notes or labels on the diagram that provide additional information or instructions.
How do I troubleshoot an AC wiring problem on my 1968 Dodge Charger?
If you are experiencing problems with the AC wiring on your 1968 Dodge Charger, start by checking the wiring diagram to identify the components and their connections. Check for any loose or damaged wires and connectors. Test the electrical components to determine if they are working correctly. If you are unable to identify or fix the problem, consider consulting a professional mechanic or electrician.
