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#Chevy turn signal switch wiring diagram how to#
#Chevy turn signal switch wiring diagram upgrade#

Circuit 6: Rear Right Turn Signal Output.

Here are the circuit descriptions of the wires that we'll be testing in this test article: If you take a look at the photo above, you'll see these embossed numbers on the connectors.

The Black connector has the numbers 1 through 17 embossed on one side.

The Gray connector has the numbers 1 through 13 embossed on one side.

One more very important thing: If you disconnect the turn signal switch's connectors, you'll notice that: Don't worry, I'll show you exactly what you'll need to test. Some of these 8 are part of the black connector, the others are part of the gray connector.

Thankfully, we only have to worry about testing 8 wires (of the 23). One connector is a gray one and the other is black. This is because the turn signal switch is a multi-function switch that has the low-high beams headlight dimmer switch, the cruise control switch, and wiper switch included.Īll 23 of these wires connect to one of two connectors. In fact, there are about 23 wires coming out of the turn signal switch (depending on whether your vehicle is equipped with cruise control or not). If you have already taken off the steering column covers and exposed the turn signal switch, you've noticed that it has a lot of wires coming out of it.

If you need to see what this tool looks like, you can see it here: Wire Piercing Probe.Īs you can see from the list above, it's nothing that's gonna' break the bank.

Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires.

#Chevy turn signal switch wiring diagram upgrade#

If you need to upgrade or buy a multimeter, check out my recommendation: Buying A Digital Multimeter For Automotive Diagnostic Testing (found at: ).The multimeter can either be a digital one or an analog one.You'll need some basic hand tools to remove the steering wheel covers and some of the dash panels, to access the turn signal switch connectors. What Tools Do I Need To Test The Turn Signal Switch?

#Chevy turn signal switch wiring diagram how to#

In this article, I'll show you how to test it yourself. Since the turn signal switch isn't cheap (at your local auto parts store expect to pay about $150 US), it's best to test it and make sure it's really bad. Or only the Rear Right Turn Signals don't work.Only the Front Right Turn Signals don't work.

Only the Rear Left Turn Signals don't work.Only the Front Left Turn Signals don't work.Since all of the Front Right, Rear Right, Front Left, and Rear Left circuits (inside the turn signal switch itself) are all separate, you might see one or two of the following:

It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that either the right of left turn signal won't work.

TEST 4: Front Right Turn Signal Output.

TEST 2: Checking Flasher Voltage Output.

TEST 1: Checking The Turn Signal Fuse Input.

What Tools Do I Need To Test The Turn Signal Switch?.