1986 Ford F150 Ignition Wiring Diagram

The 1986 Ford F150 is a classic vehicle that has stood the test of time. It is a truck that has been loved by many over the years and continues to be a popular choice for enthusiasts. One of the most important aspects of any vehicle is the wiring diagram. This article will provide you with all the information you need about the 1986 Ford F150 ignition wiring diagram.

What is an ignition wiring diagram?

An ignition wiring diagram is a schematic drawing that shows the layout of a vehicle’s electrical system. It details the wiring connections between various components, including the battery, alternator, starter motor, ignition coil, distributor, and spark plugs. This diagram is essential for troubleshooting problems with the ignition system and for making wiring modifications or upgrades.

The 1986 Ford F150 ignition wiring diagram is no exception. It is a complex diagram that can be difficult to understand without some guidance. In this article, we will break down the diagram into smaller, easy-to-understand sections and provide you with all the information you need to understand it.

The components of the ignition system

Before we dive into the wiring diagram, let’s take a moment to review the components of the ignition system. The ignition system is responsible for starting and running the engine. It consists of several key components, including the battery, starter motor, ignition coil, distributor, and spark plugs.

The battery provides the electrical power needed to start the engine. The starter motor uses this power to turn the engine over and start it. The ignition coil transforms the battery’s low voltage into the high voltage needed to ignite the fuel in the engine. The distributor sends the high-voltage spark from the ignition coil to the correct spark plug at the right time to ignite the fuel.

Understanding the 1986 Ford F150 ignition wiring diagram

Now, let’s take a look at the wiring diagram for the 1986 Ford F150 ignition system. The diagram is divided into several sections, each representing a different part of the system. We will go through each section one by one and explain what it represents.

Battery and starter motor

The first section of the wiring diagram shows the battery and starter motor. This section includes the battery, starter motor, starter solenoid, and various wiring connections. The battery provides power to the starter motor, which turns the engine over and starts it. The starter solenoid is a switch that connects the battery to the starter motor when the ignition key is turned.

One thing to note about this section of the wiring diagram is that it includes a fusible link. A fusible link is a special type of wire that is designed to melt and break the circuit in the event of a short circuit or overload. This helps prevent damage to the wiring and other components.

Ignition switch

The second section of the wiring diagram shows the ignition switch. The ignition switch is the key that turns the electrical system on and off. It connects to several other components in the ignition system, including the starter solenoid, ignition coil, and fuel pump relay. This section of the diagram shows the wiring connections between the ignition switch and these other components.

Ignition coil and distributor

The third section of the wiring diagram shows the ignition coil and distributor. The ignition coil transforms the battery’s low voltage into the high voltage needed to ignite the fuel in the engine. The distributor sends the high-voltage spark from the ignition coil to the correct spark plug at the right time to ignite the fuel. This section of the diagram shows the wiring connections between the ignition coil, distributor, spark plugs, and various other components.

Spark control module

The fourth section of the wiring diagram shows the spark control module. The spark control module is responsible for controlling the timing of the spark that ignites the fuel in the engine. This section of the diagram shows the wiring connections between the spark control module, ignition coil, and other components.

Fuel pump relay

The final section of the wiring diagram shows the fuel pump relay. The fuel pump relay is responsible for turning on the fuel pump when the ignition key is turned on. This section of the diagram shows the wiring connections between the fuel pump relay, ignition switch, and fuel pump.

Frequently asked questions

What is the purpose of the ignition system?

The ignition system is responsible for starting and running the engine. It provides the spark that ignites the fuel in the engine and keeps it running.

Why is an ignition wiring diagram important?

An ignition wiring diagram is essential for troubleshooting problems with the ignition system and for making wiring modifications or upgrades. It provides a detailed schematic drawing that shows the layout of the vehicle’s electrical system and the wiring connections between various components.

How do I read an ignition wiring diagram?

An ignition wiring diagram can be quite complex, but it can be broken down into smaller, easy-to-understand sections. Each section represents a different part of the system, such as the battery and starter motor, ignition switch, ignition coil and distributor, spark control module, or fuel pump relay. By understanding each section and the wiring connections between the components, you can troubleshoot problems and make modifications or upgrades to the system.

Term Definition
Ignition coil A device that transforms the battery’s low voltage into the high voltage needed to ignite the fuel in the engine.
Distributor A device that sends the high-voltage spark from the ignition coil to the correct spark plug at the right time to ignite the fuel.
Fusible link A special type of wire that is designed to melt and break the circuit in the event of a short circuit or overload.
Spark control module A device that controls the timing of the spark that ignites the fuel in the engine.
Fuel pump relay A device that turns on the fuel pump when the ignition key is turned on.