TEST 1: Checking The Wiper Fuse Input
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The very first thing you need to do is to make sure that the wiper fuse is OK.
So, please pull out the wiper fuse from the instrument panel fuse box and make sure it's not blown.
If the wiper fuse is blown, then you have found the solution to the ‘no wiper’ problem.
If the fuse is NOT blown, then the next step is to make sure that the wiper switch (inside the Multi-Function Switch) is getting voltage from the wiper fuse.
This will require that you disconnect the Multi-Function Switch's Gray connector to identify the 3 wires you need to test. IMPORTANT: If you haven't already disabled the air bag system, do so now. You can find the instructions here: Disabling the Air Bag System (SIR).
Once you have identified the circuits that need to be tested (we'll be testing a total of 3), make sure you reconnect the Gray Multi-Function Switch connector to the instrument panel harness connector.
This is what you'll need to do:
- Locate the circuit (wire) labeled with the number 4 of the Multi-Function Switch's Gray connector.
- With an appropriate tool (like a Wire Piercing Probe), probe the wire between the Gray connector and the Switch.
- Connect the red multimeter test lead to the tool piercing the wire.
- Set your multimeter to Volts DC mode.
- Turn the ignition switch to the RUN position.
- Ground the black multimeter test lead on a good Ground point.
- The best way to do this is to use a battery jump start cable to Ground the black multimeter test lead directly to the battery negative terminal.
- Your multimeter will register one of two things: battery voltage (10 to 12 Volts) or No voltage at all.
Let's interpret your multimeter test result:
CASE 1: Your multimeter registered the indicated voltage- So far so good. The next step is t make sure that the wiper switch is re-directing the voltage to the wiper motor in High speed. Go to: TEST 2.
![Panel Panel](https://img.magimg.com/uploads/contexts.jpg)
CASE 2: Your multimeter DID NOT register the indicated voltage. Re-check your connections, make sure you're testing the correct wire and repeat the test.
If your multimeter still does not register battery voltage, then this tells one of three things:
- The wiper fuse is blown.
- There's an ‘open-circuit’ problem in the wiring between the Gray connector and the instrument panel fuse box (although this would be extremely rare).
Newslife 2 1 – streamline your rss viewing. This test result also tells you that the wiper switch is OK and not bad, since without this battery voltage, from the fuse, the wiper switch won't work. You'll need to troubleshoot and diagnose this missing voltage before continuing any further.
TEST 2: High Speed Wiper Circuit Test
IMPORTANT: If you haven't already disabled the air bag system, do so now. You can find the instructions here: Disabling the Air Bag System (SIR).
So far, you have visually checked the wiper fuse and it's OK. You've also verified that the wiper switch is being fed this power (from the wiper fuse) by testing circuit number 3 of the Gray connector (TEST 1).
The next step is to check that the wiper High Speed circuit inside the wiper switch is actually doing its job and routing battery power to the wiper motor when you select the High Speed 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:
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- Identify the circuit labeled with the number 3 of the Gray connector.
- With an appropriate tool (like a Wire Piercing Probe), probe the wire between the Gray connector and the switch.
- The Gray connector must remain connected to the instrument panel harness connector at all times during this test.
- Turn the ignition switch to the On position.
- Set your multimeter to Volts DC mode.
- Ground the black multimeter test lead on a good Ground point.
- Use a battery jump start cable (if you have one) to Ground the black multimeter test lead directly to the battery negative terminal.
- Turn the wiper switch to its High position.
- Your multimeter should register battery voltage (in the range of 10 to 12 Volts DC).
Let's see what your test result means:
CASE 1: battery voltage (10 to 12 Volts) was present- This is the normal and expected test result and tells you that the High speed circuit inside the wiper switch is OK.
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.
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CASE 2: Battery voltage (10 to 12 Volts) WAS NOT present- Make sure that that you're testing the correct wire, re-check all of your multimeter connections and repeat the test one more time.
If your multimeter still did not register any voltage (with the Key On), then the wiper switch is bad and needs to be replaced.
There's one more test, that you can do (which is a resistance test of the high speed circuit inside the wiper switch) if you would like to further test the wiper switch and you can find it here: TEST 5: High Speed Circuit Resistance Test. 3dequalizer 4 r5 final download free.
As shown in the following picture, high contrast improves readability of the display on Windows computer. If you are wondering how to turn it on, this article specially introduces the three commonly-used methods to turn on High Contrast in Windows 10 computer for your better choice.
Video guide on how to turn on High Contrast in Windows 10:
3 ways to turn on High Contrast in Windows 10:
Way 1: Turn High Contrast on using keyboard shortcut.
Step 1: Press the left Shift, left Alt and Print Screen keys at the same time.
Step 2: In the pop-up High Contrast dialog, choose Yes to turn it on.
Tip: If you can't turn it on with keyboard shortcut, find the solution in Failed to Turn on High Contrast with Keyboard Shortcut | What to Do.
Way 2: Turn on High Contrast in High contrast settings.
Step 1: Type high contrast in the search box and tap High contrast settings in the result.
Step 2: On the right of High contrast, click None under Choose a theme, and then select an option from High Contrast #1, High Contrast #2, High Contrast Black and High Contrast White in the list.
Step 3: Click Apply Uctox 2 7 9 equals. to make the setting effective.
Way 3: Turn High Contrast on in Control Panel.
Step 1: Open Control Panel.
Step 2: Enter high contrast in the top-right search box and hit Turn High Contrast on or off under Ease of Access Center.
Step 3: Select a High Contrast theme from the four themes provided.
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