Use a wrench to loosen the bolt before disconnecting the battery terminals. There are two terminals marked positive (+) and negative (-) on your vehicle’s battery. Step 3: Disconnect the Battery Terminalsĭisconnect the negative terminal on the battery. Depending on the car, you’d find four terminals that are marked as “BATT”(Battery), “ST” (Starter), “IGN”(Ignition input), and “ACC”(Accessory).To be on the safe side, get some confirmation from your car’s repair manual or the manufacturer. Step 2: Ascertain the Terminals on the Ignition SwitchĪscertain and locate the pins on the back of the vehicle’s ignition switch. Step 1: Park the VehicleĮnsure that your vehicle is parked on level ground before turning off the engine. However, depending on the vehicle in question, you might need a push-button starter switch wiring diagram. Here are the steps you need to take to wire the ignition switch yourself. The BATT typically has a red wire, while the other three wires may have green, white, and black colors. Therefore, it’s essential you go based on where the wires are connected instead of the colors. The wire colors will vary depending on your car make and model. You must understand which wire goes to where in the ignition switch if you are planning to troubleshoot or replace it. The ACC usually has a purple-coated wire. The ACC terminal transmits power to the car accessories like the radio, the lights, the windshield wiper, and many others. It usually has yellow or brown coated wire, depending on your car.ĪCC (Accessory). The ST terminal sends electric flow to the starter solenoid. It’s usually connected with a red or yellow wire, depending on your car model. This terminal controls and distributes power to the ignition and other car electronic components. The BATT is the terminal to which a thick wire with a red coating connects to. So, if you have a new modern ride, you have four wires in the ignition switch, labeled īATT (Battery). New modern vehicles usually have four wires in the ignition switch. But first, let’s see the wires that go to the ignition switch. This article will walk you through the steps needed to wire your vehicle’s ignition switch. Thankfully, it is not a complicated process to handle once you have the know-how. You never know when it might fail, so you need to understand how to wire the ignition switch. Replacing the ignition switch becomes imperative when it becomes difficult to turn on the vehicle’s electrical system or when it fails to signal the starter motor to stop turning once the engine starts running. The ignition switch is responsible for turning on the circuits or signals that get the vehicle to start.
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