When you're out driving and there's a sudden downpour, you instantly turn to your windshield wipers to help improve your sight of the road. Clearly, without this component in your vehicle, you'll surely be an accident waiting to happen every time it rains or snows. Now, imagine not being able to control your wipers on a rainy or snowy day.even though they're there, you can't use them simply because you can't switch them on. It would be frustrating to say the least, right? Well, this is what's going to happen if you have a busted wiper switch in your ride. Aside from the frustration, you'll also feel helpless and unsafe, especially if the weather suddenly turns sour. To prevent this from happening to you, address the problem of your switch as soon as you can. To help you start, here's a general guide on how to change and wire the switch of your vehicle.
How to Change a Wiper Switch
Depending on the vehicle that you drive, some of the steps below may vary or may not be applicable. For your safety, consult your vehicle's owner's manual first before you proceed.
Step 1: Before you begin, make sure that the negative cable of your battery is disconnected to avoid any accidents. This first step is extremely important because it protects you from getting electrocuted during the process.
Step 2: Next, take wiring harness of the windshield wiper out from the steering wheel by using pliers to disconnect them.
Step 3: After that, get a screwdriver and use it to remove the wiper switch from the steering wheel.
Step 4: As soon as the switch is out, use the pliers to connect the replacement switch onto the steering wheel, making sure that you are able to mount the component securely in place.
Step 5: Once you're done with the installation, reconnect the negative battery cable to test if the part works. To do this, you need to turn the ignition to the .on. position, but you don't have to crank the engine. Next, turn the windshield wipers on using the new switch. Observe each setting in the switch and see if they work just fine.
How to Wire a Wiper Switch
Wiring the switch of your windshield wipers is important to ensure that the part will work. Here's a quick and basic guide that will help you get started.
Step 1: To begin wiring the switch, locate its four terminals for the high, low, common, and off settings.
Step 2: As soon as you've located them, connect each terminal to their corresponding motor contacts. For example, the high terminal should be attached to the high-speed motor contact while the low terminal should be connected to the low-speed motor contact.
Step 3: The park terminal should also be connected to the low terminal while the common terminal on the park side of the wiper switch needs to be connected to a 12-volt battery power and to the parking cam terminal of the wiper motor.