Trailer wiring diagrams are essential for anyone who wants to connect a trailer to their vehicle. In this article, we will be discussing the 1999 Silverado trailer wiring diagram. We will describe the wiring diagram in detail and provide you with a step-by-step guide on how to wire your trailer for your 1999 Silverado. We will also provide frequently asked questions and a table to help you understand the wiring diagram better. Let’s get started.
The 1999 Silverado Trailer Wiring Diagram
The 1999 Silverado trailer wiring diagram is divided into four parts. They are the tail lights, brake lights, left turn signal, and right turn signal. These four parts are essential for any trailer to work properly. Here is the diagram:
| Wire Color | Function | Connector |
|---|---|---|
| Green | Tail Lights | 7-Way RV Blade |
| Brown | Right Turn Signal | 7-Way RV Blade |
| Yellow | Left Turn Signal | 7-Way RV Blade |
| Red | Brake Lights | 7-Way RV Blade |
Tail Lights
The tail lights are an essential part of any trailer. It is the red light at the back of the trailer that turns on when you turn your headlights on. Here is how to wire the tail lights:
Connect the green wire from the trailer to the brown wire on the Silverado’s harness using a butt connector. This will ensure that the tail lights on your trailer work correctly.
Next, connect the white wire from the trailer to the Silverado’s ground using a butt connector. This will ensure that the trailer lights have a good ground connection.
Finally, connect the yellow wire from the trailer to the Silverado’s reverse light wire using a butt connector. This will ensure that the reverse lights on the trailer work correctly.
Now, your trailer’s tail lights should work properly.
Brake Lights
The brake lights are an essential part of any trailer. It is the red light at the back of the trailer that turns on when you press the brake pedal. Here is how to wire the brake lights:
Connect the red wire from the trailer to the Silverado’s brake wire using a butt connector. This will ensure that the brake lights on your trailer work correctly.
Next, connect the black wire from the trailer to the Silverado’s ground using a butt connector. This will ensure that the trailer lights have a good ground connection.
Finally, connect the yellow wire from the trailer to the Silverado’s reverse light wire using a butt connector. This will ensure that the reverse lights on the trailer work correctly.
Now, your trailer’s brake lights should work properly.
Left Turn Signal
The left turn signal is essential for any vehicle or trailer. It is the light that turns on when you signal left. Here is how to wire the left turn signal:
Connect the yellow wire from the trailer to the Silverado’s left turn signal wire using a butt connector. This will ensure that the left turn signal on your trailer works correctly.
Next, connect the black wire from the trailer to the Silverado’s ground using a butt connector. This will ensure that the trailer lights have a good ground connection.
Finally, connect the yellow wire from the trailer to the Silverado’s reverse light wire using a butt connector. This will ensure that the reverse lights on the trailer work correctly.
Now, your trailer’s left turn signal should work properly.
Right Turn Signal
The right turn signal is essential for any vehicle or trailer. It is the light that turns on when you signal right. Here is how to wire the right turn signal:
Connect the brown wire from the trailer to the Silverado’s right turn signal wire using a butt connector. This will ensure that the right turn signal on your trailer works correctly.
Next, connect the black wire from the trailer to the Silverado’s ground using a butt connector. This will ensure that the trailer lights have a good ground connection.
Finally, connect the yellow wire from the trailer to the Silverado’s reverse light wire using a butt connector. This will ensure that the reverse lights on the trailer work correctly.
Now, your trailer’s right turn signal should work properly.
Frequently Asked Questions
What size wires should I use for my trailer?
You should use 14-gauge wires for trailers that have a maximum weight of 3,000 pounds. For trailers that have a maximum weight of 5,000 pounds, you should use 12-gauge wires. For trailers that have a maximum weight of 7,500 pounds, you should use 10-gauge wires.
What is the difference between a 4-way and a 7-way trailer connector?
A 4-way trailer connector is used for trailers that only have the basic lights, which are the tail lights, brake lights, and left and right turn signals. A 7-way trailer connector is used for trailers that have additional lights, such as the reverse lights and electric brakes.
How do I test my trailer lights?
You can test your trailer lights by connecting your trailer to your vehicle and turning on the lights. You can then walk to the back of your trailer and check if all the lights are working correctly. You can also use a trailer light tester to test your trailer lights.
What is the maximum weight a trailer can have?
The maximum weight a trailer can have is determined by the vehicle’s towing capacity. You can find the towing capacity in your vehicle’s owner’s manual. You should also check the weight of your trailer to ensure that it is within the towing capacity of your vehicle.
Do I need to ground my trailer?
Yes, you need to ground your trailer to ensure that the trailer lights work correctly. You should connect the white wire from your trailer to the ground on your vehicle.
Conclusion
Wiring your trailer for your 1999 Silverado is essential for safe and reliable towing. By following the wiring diagram and our step-by-step guide, you can ensure that your trailer lights work correctly. It is also essential to know the weight of your trailer and the maximum towing capacity of your vehicle to ensure safe towing. We hope this article has helped you understand the 1999 Silverado trailer wiring diagram better.
