Checking Out the Quick Fix (TM) 4 Pole Flat Trailer End Video

The wire that runs from the vehicle's battery to the 7-way trailer connector and then from the 7-way trailer connector to the trailer battery should be at least a 10 gauge. If you don't have any 10 gauge wire you can purchase part #10-1-1 by…

Since this is on a boat trailer the 2 additional white ground wires are ground for the lights. This is fairly common on aluminum frames and boat trailers in general because aluminum is a poor metal for grounds and lights grounded near the tail lights…

We do have exactly what you need to join two female (vehicle-side) 4-pole flat trailer connectors. Roadmaster offers their #RM-300150-00 extension wiring loop which has male (trailer side) connectors on both ends of a 6-foot harness. This will allow…

When a 4 flat connector on a trailer has 7 wires it usually means it either has extra grounds or extra tail light wires. Most likely if the extra wires are white then it is ground, if they are brown then they are most likely tail light wires. The…

Your utility trailer has a wishbone wiring harness therefore, in order to replace the connector you will need the Quick Fix (TM) 4 Pole Flat Trailer End part #HMC20031. There is an extra running light wire on the wishbone harness that runs down each…

The best option for you to be able to pull your trailer is to remove the trailer connector on the trailer and replace this as there isn't any sort of adapter. If the trailer has combined stop/turn lights then you can use the Quick Fix 4 Pole Flat…

A 4-way trailer connector will have four functions which means it will also have four wires for the exception of wishbone harnesses. These four functions are ground, tail light, right turn, and left turn. The ground function will usually be…

For just the needed 4-Way by itself I recommend the Hopkins Quick Fix #HMC20031 that features a removable cap that makes it easier to insert the wiring from your trailer. From the looks of the picture you attached you probably have three ground wires…

For that many wires on your trailer you are going to need to use a 7-way connector like the #H20046 and then on your tow vehicle you would need the socket #HM48480. Since it's hard to know what wires will go where based on just color alone what…

There isn't a plug and play option for a 7-way available, but we have the parts you'd need to complete the installation. You'll need to begin by installing a 4-pole trailer connector. There are two iterations of a 4-pole harness available…

The distance between the mounting holes for the Pollak Heavy-Duty, 7-Pole, Round Pin Trailer Wiring Socket #PK11720 is 3" on center. I have attached a photo to demonstrate this as well as a review video where this measurement is shown. We also…

Your 4-pin/5-wire wiring harness is what is called a "wishbone" type which simply means that there are two separate running light wires, one brown and one pink. This allows a separate running light wire for each side of the trailer which…