Can you test the wiper switch with a multimeter?
Can you test the wiper switch with a multimeter?
Testing to see if the wiper switch is bad or not is not that hard to do. In this article, I’ll show you how to do it with a multimeter. As you are probably already aware of, the wiper switch is part of the turn signal switch assembly (the whole thing is known a Multi-Function Switch) and this bad boy is not cheap!
Why are there no wipers on my car?
No Medium Speed Wipers. No Wiper Motor operation. The most common culprit of NO wipers is usually a bad wiper motor but not always. So, the focus of this article is to help you test and either eliminate the wiper switch or condemn it as bad.
What are the symptoms of a bad wiper switch?
Symptoms Of A BAD Wiper Switch. The wiper switch function within the Multi-Function Switch usually doesn’t go BAD. Doesn’t mean it doesn’t happen, because it does and when it does you’ll see one of the following symptoms: No High Speed Wipers. No Low Speed Wipers. No Medium Speed Wipers. No Wiper Motor operation.
What kind of connector is on the wiper switch?
One connector is a Gray one and the other is Black. Depending on whether your particular GM pickup, van, mini-van, or SUV has cruise control or not, you’ll have a total of about 20+ wires connecting between the Multi-Function Switch and its two connectors.
What do I need to test the wiper switch?
What Tools Do I Need To Test The Wiper Switch? Wiper Switch Circuit Descriptions. TEST 1: Checking The Wiper Fuse Input. TEST 2: High Speed Wiper Circuit Test. TEST 3: Low Speed Wiper Switch Circuit. TEST 4: Wiper Delay Circuits. TEST 5: High Speed Circuit Resistance Test.
Where is the number 3 on the wiper switch?
The circuit (wire) that sends this voltage to the wiper motor is the one that’s labeled with the number 3 of the Gray Multi-Function Switch Connector. OK, this is what you’ll need to do:
Why does my GM mini van have no wiper?
If your GM pickup, van, SUV or mini-van is experiencing a ‘No High Speed Wiper’ problem, then you have eliminated the wiper switch as the cause. The most likely cause will be a bad wiper motor. The next test, TEST 3, will help you to check the Low speed wiper switch circuit.
Symptoms Of A BAD Wiper Switch. The wiper switch function within the Multi-Function Switch usually doesn’t go BAD. Doesn’t mean it doesn’t happen, because it does and when it does you’ll see one of the following symptoms: No High Speed Wipers. No Low Speed Wipers. No Medium Speed Wipers. No Wiper Motor operation.
How many wires are in the wiper switch?
Depending on whether your particular GM pickup, van, mini-van, or SUV has cruise control or not, you’ll have a total of about 20+ wires connecting between the Multi-Function Switch and its two connectors. Don’t worry, we don’t need to test all of the wires to check the wiper switch function within the Multi-Function Switch.
How does a multi function turn signal work?
CDN$ 98.94 FREE SHIPPING. REPLACEMENT MULTIFUNCTION COMBINATION SWITCH – Controls various functions including the hazards, turn signals, blinker, wipers, windshield washer, high beam head lights and cruise control. The multi function switch mounts to the steering column and includes the necessary wire harness to plug into your vehicles module.
What happens when you flip the wiper switch?
1. Windshield wipers won’t turn on or off When you turn the windshield wiper switch on, the wipers are supposed to move from drivers left to right in a curved pattern. However, sometimes you’ll flip the switch and nothing happens.
Where is the wiper switch on a car?
Depending on the make and model of your vehicle, the windshield wiper switch will be located on either the turn signal indicator or a separate indicator level that is near your steering wheel.
Can a bad turn signal cause a bad windshield wiper switch?
This set-up helps drivers stay safer while driving as there are fewer manual controls to operate while driving the vehicle. Since both turn signals and wiper blades operate through the same device, it is possible that issues with the turn signal will also impact the wiper blade switch.
When to use interval setting on windshield wiper switch?
As indicated above, one of the options of the windshield wiper switch is a setting for faster wipers or to set them to come on at a determined interval. The interval setting is commonly used during light rain showers or sprinkles and in some cases during dust storms.
