RV Wiring and Electrical Guides
One crossed wire means no brake lights at highway speed. RV electrical work isn't hard, but it punishes guesswork. These guides walk through every connection with pin diagrams, wire color codes and step-by-step instructions.
Most campers start with the trailer plug wiring diagram — it covers 7-pin, 6-pin, 5-pin and 4-pin connectors with color codes for each. If your brakes aren't working right, check the brake controller wiring guide next.
30 Amp vs 50 Amp RV Service - Which Do You Need?
Understand the difference between 30 amp and 50 amp RV electrical service. What each handles, how to identify your setup, adapter safety and when you need to upgrade.
Jan 31, 2026
Trailer Wiring Diagram - 7-Pin, 6-Pin and 4-Pin Color Codes
Complete trailer wiring diagrams for 7-pin, 6-pin, 5-pin and 4-pin connectors. Wire color codes, gauge chart and step-by-step hookup guide for every trailer plug type.
Jan 31, 2026
RV Battery Not Charging - Troubleshooting Guide
Fix an RV battery that won't charge from shore power, converter or solar. Step-by-step diagnosis covering converters, fuses, connections and battery health.
Jan 31, 2026
RV Converter vs Inverter - What Each Does and Why You Need Both
Understand the difference between an RV converter and inverter. How each works, when you need them, sizing guides and common problems with both systems.
Jan 31, 2026
RV Solar Panel Setup Guide - Sizing, Wiring and Installation
Set up solar panels on your RV or camper. Learn how to size your system, choose panels and charge controllers, wire in series vs parallel and mount panels on the roof.
Jan 31, 2026
Trailer Brake Controller Wiring - Installation and Setup Guide
Install and wire a trailer brake controller for your tow vehicle. Covers proportional vs time-delayed controllers, wiring connections, gain settings and troubleshooting.
Jan 31, 2026