Chevy Ignition Switch Wiring Diagram 1950, 70, 80, 90 – 2000

I was troubleshooting my Chevrolet’s ignition and having its wiring diagram right beside me was helpful.

If you have lost power in your Chevy and don’t know what the problem is, the Ignition Switch Wiring Diagram Chevy comes in very handy.

It is very important to know how your ignition works so you can fix any problems yourself. So in this article, I will provide you with the Chevy Ignition Switch Wiring Diagram.

Ignition Switch Wiring Diagram Chevy

This is the Ignition Switch Wiring Diagram Chevy:

Chevy Starter Ignition, Pickup Alarm, Remote Starter, Keyless Entry Switch Wiring Information

Constant 12V+Red Ignition Switch Harness 
StarterYellow Ignition Switch Harness 
IgnitionPink Ignition Switch Harness 
Ignition 2White Ignition Switch Harness 
Ignition 3Brown Ignition Switch Harness 
AccessoryOrange Ignition Switch Harness (Heat/AC) 
TachWhite Coil 
Brake SwitchWhite Brake Switch 
Trunk Pinn/a  
Parking LightsBrown (+) Light Switch 
Head LampYellow (+) Light Switch 
Hood Pinn/a  
Factory Disarmn/a  
Door TriggerPurple (-) 4 Pin Black Connector Driver’s Kick Panel 
Door LockLight Blue Driver’s Kick Panel w/Keyless Positive 
Door UnlockWhite W/o Keyless Entry Reverse Polarity (5 Wire) 
Horn WireBlack (-) Steering Column 
Windows UpLF=Dark Blue, RF=Light Blue 
Windows DownLF=Brown, RF=Tan 

Check out the 350 Chevy Engine Diagram if you feel you have some issues with your Chevrolet’s engine.

Starter Ignition Switch Wiring Diagram Chevy

The wiring diagram for starter ignition switch chevy is:

1970 C10 Ignition Switch Wiring Diagram

Take a look at the 1970 C10 Ignition Switch Wiring Diagram:

1970 C10 Ignition Switch Wiring Diagram

Ignition Harness Ignition Switch Wiring Diagram Chevy

This is the Ignition Harness Ignition Switch Wiring Diagram Chevy:

Ignition Harness Ignition Switch Wiring Diagram Chevy

55 Chevy Ignition Switch Wiring Diagram

Check out the 55 Chevy Ignition Switch Wiring Diagram:

1955 Chevy Ignition Switch Wiring Diagram

57 Chevy Ignition Switch Wiring Diagram

This is the 57 Chevy Ignition Switch Wiring Diagram:

57 Chevy Ignition Switch Wiring Diagram

1990 Chevy Ignition Switch Wiring Diagram

Below mentioned is the 1990 Chevy Ignition Switch Wiring Diagram:

1990 Chevy Ignition Switch Wiring Diagram

1972 Chevy Truck Ignition Switch Wiring Diagram

Check out the 1972 Chevy Truck Ignition Switch Wiring Diagram:

1972 Chevy Truck Ignition Switch Wiring Diagram

2000 S10 Ignition Switch Wiring Diagram

This is the Chevy S10 Ignition Switch Wiring Diagram for the year 2000:

2000 s10 ignition switch wiring diagram

What Color Wires Go to Ignition Switch in A Chevy?

White wires go to the ignition switch in a Chevy vehicle.

Where Is the Chevy Ignition Switch Wire?

 The Chevy ignition switch wire is located on the firewall near the steering column.

What Do the Letters on The Back of A  Chevy’s Ignition Switch Stand For?

The letters “SCT” are found on the back of a Chevy’s ignition switch. These letters stand for spark control module. You can look up SCT on the Internet to learn what it is used for. There may be different letters on the back of your Chevy’s ignition switch. These letters may be different, but they all mean the same thing. They are used to show what type of engine is in your Chevy.

How Does an Ignition Switch Work in a Chevy?

Most cars come with an ignition switch that controls the power to your car’s electrical system. Your car’s ignition switch is a simple device. It has two parts: the push button and the ignition key. When you turn the ignition key, the push button becomes depressed. This is how the push button gets switched from the “off” position to the “on” position. This makes the power to your electrical system go to the starter motor. Your starter motor will turn the engine over.

How to Identify the ignition switch in a Chevy?

A Chevy ignition switch looks like a small flashlight. The “C” in the center looks like a light bulb. The three “S”s on the left look like a “T” with a “T” inside of it. These are the letters “ST.” The three “T”s on the right side of the switch are for “T” in “T” out.

A Chevy ignition switch is used for timing the ignition. It has nothing to do with what type of engine is in your Chevy because it only controls the timing of the ignition. When you are ready to drive your Chevy, you can just turn the ignition switch to the “on” position. The “on” position will make sure that the engine starts.

How to Fix a Chevy Ignition Switch

There are many different things that you could do to Fix a Chevy Ignition Switch.

Before doing any other things, check and see if the starter is engaged when you first put the car in gear.

To engage the starter, push down on the gas pedal. This will make the starter crank. If the starter does not turn, you will need to turn the ignition switch to the “on” position.

If you are still having trouble starting your car, you can follow these steps:

  1. First, turn the ignition switch to the “off” position.
  2. Next, turn the key to the “start” position. You will need to wait about five minutes. If the engine still does not start after that time, turn the key to the “run” position. If the engine starts, you can let go of the key.
  3. You can also try turning the ignition switch to the “accessory” position. If none of those work, you will need to turn the ignition switch to the “off” position.
  4. Turn the key back to the “start” position.
  5. Your next step is to try starting the engine again. If you still can’t start your car, you may need to call a mechanic.

How to Replace an Ignition Switch in a Chevy

Follow these steps to Replace an Ignition Switch in a Chevy:

Steps 1 – 2:

To start, you need to remove the plastic clip holding the cover on the top of the ignition switch. You need to do this before you start your engine. If you don’t, you can damage the switch and make it harder for you to replace it. The clip is usually held in place by a screw. It is best to hold it with a pair of pliers. If you are not sure how to do this, ask someone who has worked on cars before.

Steps 3 – 4:

Remove the screws holding the bottom of the switch cover. These screws are usually located on both sides of the cover. They are held in place by a rubber ring. The rubber ring can be difficult to remove. You can use a flathead screwdriver to help pry the screws out. Remove the screws.

Steps 5 – 6:

Next, remove the rubber ring by inserting a screwdriver into the small hole between the screws. The rubber ring is held in place by the screws. Keep the screwdriver pointed away from the screw. You should not push the screw out of the hole.

Conclusion

Now that you have read this article, you should be able to fix your Chevrolet vehicle with the help of the Chevy Ignition Switch Wiring Diagram. Let me know if I missed diagrams for particular year or if any of them had any issues.