2003 Chevy Silverado Ignition Wiring Diagram – We will first take a look at the various kinds of terminals found in the ignition switch. These terminals are used for the Ignition button, Coil and Accessory. Once we know the purpose of these terminals are for, we will proceed to determine the various parts of the 2003 Chevy Silverado Ignition Wiring Diagram. We’ll also go over the roles of the Ignition switch, as well as the Coil. We will then discuss the functions of the Ignition switch and Coil.
Terminals for ignition switch
There are three different switches in an ignition switch that provide the battery’s voltage to various destinations. The first switch powers the choke. The second switch is responsible for the ON/OFF of the ignition switch. Each manufacturer has its individual color-coding system that we will discuss in another article. OMC utilizes this method. Connectors can be connected to the ignition switch in order to add an electronic tachometer.
Even though some of the ignition switch terminals might not be original, the numbers of the terminals may not match the diagram. First, check the continuity of all the wires to ensure they are correctly connected to the ignition switches. This can be checked using an inexpensive multimeter. After you’re happy with the continuity of the wires, then you’ll be able to install the new connector. If your car has an original ignition switch supplied by the factory (or an electrical loom), the wiring loom will differ from the one in your vehicle.
Understanding how ACC outputs connect to the auxiliary outputs in your car is vital. The ACC terminals as well as the IGN terminals are the standard connections for your ignition switch. The START and IGN connections are the primary connections for radio and stereo. The ignition switch turns the engine of your car ON and OFF. Older cars are identified by the letters “ACC”, “ST”, (for individual magneto cables) at their ignition switch’s terminals.
Terminals for coil
The terms used to define the type and model of an ignition coil is the primary thing. A basic ignition wiring layout will provide you with a range of terminals and connections. The coils come with a distinct operating voltage. The initial step to determine which one you’ve got is to check the voltage on S1, the primary terminal. S1 should be examined for resistance to determine if the coil belongs to type A, B or C.
The negative of the chassis must be connected to the side of low-tension. This is what’s called the ground on the ignition wiring diagram. The high-tension supply delivers positively directly to spark plugs. It is necessary for suppression purposes that the body of the coil’s metal be connected to its chassis, but not essential. The diagram of the ignition wiring will also show how to connect the positive coil terminals. You may find an issue with your ignition coil which can be identified by scanning it in the auto parts shop.
The black-and-white-striped wire from the harness goes to the negative terminal. Positive terminal receives the second white wire, which has a black trace. The black wire connects to the contact breaker. You can examine the connections using a paperclip to take the wires out of the housing. Be sure the terminals do not bend.
Accessory Terminals
The ignition wiring diagrams show the various wires utilized to power various components. Each component has four distinct color-coded connections. The red color is used for accessories, yellow is for the battery, while green is for the starter solenoid. The “IGN” terminal is used to start the car, operating the wipers and other functions. The diagram illustrates how to connect ACC or ST terminals as well as the rest.
The terminal BAT is where the battery is. The electrical system cannot begin without the battery. In addition the switch won’t come on. A wiring diagram can tell you where to find the battery in your car. The ignition switch and battery are connected via accessory terminals. The BAT terminal connects to the battery.
Certain ignition switches come with the “accessory” setting that permits users to regulate their outputs without having to use the ignition. Sometimes, customers want to utilize the auxiliary output separately from the ignition. Use the secondary output by connecting the connector to the ACC terminal on the switch with the same colors. While this is a convenient feature, there’s one important difference. Some ignition switches are programmed to have an ACC location when the car has moved into the ACC position. They will also be in the START position once the vehicle is entered the IGN position.
Gallery of 2003 Chevy Silverado Ignition Wiring Diagram
Gallery of 2003 Chevy Silverado Ignition Wiring Diagram
