12 1 year limited warranty 11 409 pollak heavy duty 4 way round pin trailer wiring connector chrome trailer end replaces 30102. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above.

Reese Towpower 4 Way Flat Connector
Trailer tow with 4 pin connector wiring. Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. Tow vehicle has same bulb for lighting stop and turn signals. Use a simple 4 way flat connector to power your 2 light trailer lights or use a custom vehicle specific trailer wiring harness. Depending on the size of your trailer and the number of lights you might want to check on the internet for the recommended gauge for your specific trailer. Brown tail lights maximum size wire gauge. Autosonic 7 way blade to 4 way flat trailer adapter female trailer connector plug 7 pin to 4 pin trailer converter flat connection weatherproof 48 out of 5 stars 92 899 8.
To ensure your trailer has safe visible and legal lighting a trailer connector wiring adapter may be a necessary towing accessory. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. Tow vehicle taillight wiring 2 wire system. A 4 way trailer connector has the basic lighting functions only. Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road.
Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. 2 pieces 7 pin blade to 4 pin flat trailer adapter 7 way to 4 way trailer wiring adapter plug round trailer connector plug 1149 11. A 7 way has these functions and a 12 volt circuit a circuit for electric trailer brakes requires a brake controller in the vehicle and a reverse light or auxiliary power circuit. This type of connector is normally found on utvs atvs and trailers that do not have their own braking system. Allowing the tow vehicle to control the trailers lighting system. Running lights left turn signal and brake lights right turn signal and brake lights and ground.
4 pin trailer wiring diagram. Tow vehicle has amber. Some vehicles use a combination bulb dual filament for turn and stop. Above we have describes the main types of trailer wiring diagrams. Following the standard method for wiring a trailer connector is vital to the safety of your vehicle while towing. 49 get it as soon as mon jul 13.
To abide with state laws trailers must be equipped with the proper brake and tail lights and the trailer connector wiring adapter allows you to connect your vehicles electrical network. Traditional trailer with brakes use a 5 pin connector. Establish a secure connection between your trailer and tow vehicle with this chrome plated 4 pole plugsplit brass pins ensure minimum voltage drop and pull grips enable easy insertion and removal. Below is the generic schematic of how the wiring goes. Note that this type of 4 pin connector is less common that 4 pin flat connector.