Wiring Harness Nissan Wiring Diagram Color Codes

If you own a Nissan car and you want to do some wiring work, it is important that you understand the wiring diagram color codes. This article will help you understand the basics of wiring harness in Nissan cars and the color codes that are used in the wiring diagrams.

What is a wiring harness?

A wiring harness is an organized set of wires, terminals, and connectors that run throughout the entire vehicle and connects various electrical components together. It provides a central connection point for all of the electrical needs in the vehicle, from the battery to the headlights and everything in between.

Without a wiring harness, the electrical system in your vehicle would be a mess of tangled wires, and it would be nearly impossible to troubleshoot any electrical problems that might arise.

Nissan Wiring Diagram Color Codes

When it comes to understanding the wiring diagram color codes for your Nissan, you need to know what each color means and what it represents. Here is a breakdown of the wire colors:

Wire Color Function
Black Ground
Brown Parking lights
Gray Accessory power
Green Right rear speaker (+)
Light green Left rear speaker (+)
Orange Illumination
Pink Right front speaker (+)
Light pink Left front speaker (+)
Purple Right rear speaker (-)
Light purple Left rear speaker (-)
Red Battery power
White Front speakers (-)
Yellow Ignition

Black wire

The black wire is the most important wire in any electrical system. It is used to connect all of the grounds in the vehicle together. The ground is the reference point for all electrical circuits, and without a proper ground, your electrical system will not work properly.

In the case of your Nissan, the black wire is used to ground everything from the battery to the headlights, and it should be connected to a metal part of the vehicle’s frame or body.

Brown wire

The brown wire in your Nissan is used for the parking lights. These lights are typically located on the side of the vehicle and are used to indicate that the car is parked or on the side of the road.

The brown wire should be connected to the parking light circuit, and it should be connected to the parking light switch.

Gray wire

The gray wire in your Nissan is used for the accessory power. This wire provides power to all of the accessories in the vehicle, such as the radio, power windows, and climate control system.

The gray wire should be connected to a circuit that has power when the key is in the “on” or “accessory” position.

Green wire

The green wire in your Nissan is used for the right rear speaker (+). This wire is used to provide power to the speaker, and it should be connected to the positive terminal on the speaker.

If you are installing new speakers in your Nissan, it is important that you use the correct wire colors to ensure that the speakers work properly.

Light green wire

The light green wire in your Nissan is used for the left rear speaker (+). This wire is used to provide power to the speaker, and it should be connected to the positive terminal on the speaker.

If you are installing new speakers in your Nissan, it is important that you use the correct wire colors to ensure that the speakers work properly.

Orange wire

The orange wire in your Nissan is used for illumination. This wire is used to provide power to the dashboard lights and other interior lights in the vehicle.

The orange wire should be connected to a circuit that has power when the headlights are turned on.

Pink wire

The pink wire in your Nissan is used for the right front speaker (+). This wire is used to provide power to the speaker, and it should be connected to the positive terminal on the speaker.

If you are installing new speakers in your Nissan, it is important that you use the correct wire colors to ensure that the speakers work properly.

Light pink wire

The light pink wire in your Nissan is used for the left front speaker (+). This wire is used to provide power to the speaker, and it should be connected to the positive terminal on the speaker.

If you are installing new speakers in your Nissan, it is important that you use the correct wire colors to ensure that the speakers work properly.

Purple wire

The purple wire in your Nissan is used for the right rear speaker (-). This wire is used to provide a negative connection to the speaker, and it should be connected to the negative terminal on the speaker.

If you are installing new speakers in your Nissan, it is important that you use the correct wire colors to ensure that the speakers work properly.

Light purple wire

The light purple wire in your Nissan is used for the left rear speaker (-). This wire is used to provide a negative connection to the speaker, and it should be connected to the negative terminal on the speaker.

If you are installing new speakers in your Nissan, it is important that you use the correct wire colors to ensure that the speakers work properly.

Red wire

The red wire in your Nissan is used for battery power. This wire is used to provide power to the electrical system when the key is turned to the “on” position.

The red wire should be connected to a circuit that has power when the key is in the “on” or “accessory” position.

White wire

The white wire in your Nissan is used for the front speakers (-). This wire is used to provide a negative connection to the speakers, and it should be connected to the negative terminal on the speakers.

If you are installing new speakers in your Nissan, it is important that you use the correct wire colors to ensure that the speakers work properly.

Yellow wire

The yellow wire in your Nissan is used for ignition. This wire is used to provide power to the starter motor and other ignition-related components in the vehicle.

The yellow wire should be connected to a circuit that has power when the key is turned to the “on” position.

FAQs

1. What is the function of a wiring harness in a Nissan car?

A wiring harness is an organized set of wires, terminals, and connectors that run throughout the entire vehicle and connects various electrical components together. It provides a central connection point for all of the electrical needs in the vehicle, from the battery to the headlights and everything in between.

2. What are the wire colors used in Nissan wiring diagrams?

The wire colors used in Nissan wiring diagrams are black, brown, gray, green, light green, orange, pink, light pink, purple, light purple, red, white, and yellow.

3. What is the purpose of the black wire in a Nissan?

The black wire in your Nissan is used to connect all of the grounds in the vehicle together. The ground is the reference point for all electrical circuits, and without a proper ground, your electrical system will not work properly.

4. What is the purpose of the red wire in a Nissan?

The red wire in your Nissan is used for battery power. This wire is used to provide power to the electrical system when the key is turned to the “on” position.

5. What is the purpose of the yellow wire in a Nissan?

The yellow wire in your Nissan is used for ignition. This wire is used to provide power to the starter motor and other ignition-related components in the vehicle.