The 2015 Silverado is a reliable pickup truck with a lot of power under the hood. If you use your truck to tow a trailer, it’s important to have the right wiring connections. A trailer plug wiring diagram can help you make sure that your trailer lights and brakes work properly. In this article, we’ll provide a comprehensive guide to the 2015 Silverado trailer plug wiring diagram.
What is a trailer plug wiring diagram?
A trailer plug wiring diagram shows the electrical connections between a tow vehicle and a trailer. It indicates which wires should be connected to each other so that the trailer’s lights, brakes, and other electrical components work properly. Different trailers may have different plug configurations, so it’s important to use the correct diagram for your specific trailer.
A trailer plug wiring diagram typically includes information about the following connections:
- Ground
- Taillights
- Brake lights
- Left turn signal
- Right turn signal
- Electric brakes
Types of trailer plugs
There are several types of trailer plugs, each with a different number of pins or blades. The most common types are:
- 4-pin flat
- 5-pin flat
- 6-pin round
- 7-pin round
- 7-pin RV blade
The 2015 Silverado is equipped with a 7-pin connector, which is the most common type of trailer plug. However, it’s always a good idea to check your owner’s manual or consult with a professional to make sure you have the right plug for your trailer.
2015 Silverado trailer plug wiring diagram
Here is the wiring diagram for the 2015 Silverado’s 7-pin trailer plug:
| Pin | Wire Color | Function |
|---|---|---|
| 1 | Black | Battery charge |
| 2 | Blue | Electric brakes |
| 3 | White | Ground |
| 4 | Brown | Taillights |
| 5 | Yellow | Left turn signal |
| 6 | Green | Right turn signal |
| 7 | Red | Brake lights |
The 2015 Silverado’s trailer plug wiring diagram may look daunting at first, but with a little bit of practice, it’s easy to understand. Here’s a breakdown of what each pin does:
Pin 1: Battery charge
The black wire in pin 1 provides a charge to your trailer’s battery. This is important for trailers that have an electric winch, hydraulic jack, or other battery-powered accessories.
Pin 2: Electric brakes
The blue wire in pin 2 connects to your trailer’s electric brakes. This wire sends power to the brakes when you apply the brakes in your truck.
Pin 3: Ground
The white wire in pin 3 is the ground wire. It provides a path to ground for your trailer’s electrical system.
Pin 4: Taillights
The brown wire in pin 4 connects to your trailer’s taillights. This wire powers the taillights when you turn on your truck’s headlights.
Pin 5: Left turn signal
The yellow wire in pin 5 connects to your trailer’s left turn signal. This wire sends a signal to activate your trailer’s left turn signal light.
Pin 6: Right turn signal
The green wire in pin 6 connects to your trailer’s right turn signal. This wire sends a signal to activate your trailer’s right turn signal light.
Pin 7: Brake lights
The red wire in pin 7 connects to your trailer’s brake lights. This wire sends power to the brake lights when you apply the brakes in your truck.
FAQs
1. How do I know if my trailer plug is working?
You can perform a simple test to check if your trailer plug is working properly. First, connect the trailer to your truck and turn on the headlights. Then, have someone step on the brakes while you check each light on the trailer. If all the lights work properly, your trailer plug is working.
2. How do I fix a broken wire in my trailer plug?
If you have a broken wire in your trailer plug, you can fix it by stripping the wires on both ends of the broken wire and splicing them together using wire connectors. Make sure to wrap the connections with electrical tape to protect them from moisture.
3. How do I install a trailer plug on my Silverado?
If your Silverado doesn’t have a trailer plug, you can install one using a trailer wiring harness. The harness plugs into your truck’s existing wiring harness and provides a connector for your trailer. Installation is typically straightforward and can be done using basic hand tools.
4. What happens if I connect the wrong wires to my trailer plug?
If you connect the wrong wires to your trailer plug, your trailer’s lights and brakes may not work properly. In some cases, you could even damage your trailer’s electrical system. Always double-check your wiring connections before towing a trailer.
5. How often should I check my trailer plug wiring?
You should check your trailer plug wiring before every trip. This will ensure that your trailer’s lights and brakes are working properly and that there are no loose or damaged wires. It’s also a good idea to inspect your trailer plug periodically for signs of wear and tear.
By following the 2015 Silverado trailer plug wiring diagram and using the correct type of trailer plug, you can ensure that your trailer’s lights and brakes work properly. Don’t forget to perform regular checks and maintenance to keep your trailer in top condition.
