Wiring a 5 Flat That Has 8 Wires  

A standard 5-way like the part #HM47910 would work great to replace what you have. You'd just run all of the white wires that you have (all three) to the single white wire of this connector, both the brown wires to the single brown of the…

The older generations of the Wesbar submersible low-profile lights came with sealed light bulb capsules that are not replaceable. If your capsule is sealed, then your best option is to replace the lights with new lights like part #403026 and #403076.…

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…

We definitely have what you need to replace the 5-Way connector on your boat trailer, but there's not going to be a pre-made 5-Way harness that includes 8 wires. As you mentioned the most you will likely find is a wishbone harness like #A25W5B…

You will first want to check the fuses on your tow vehicle. Some vehicles could have fuses for operating the turn signals and brake lights of a towing package. You will want to check if they are installed and working properly. The next thing is to…

The auxiliary or back-up wire on a 7-way trailer connector like #HM20041, is used to power to things like interior trailer lights or other 12V accessories. It can also be used to power backup lights, but not many trailers are equipped with those.…

The simplest way to connect your 6-way pin connector from your horse trailer to a 7-way blade connector on your 2019 Ford F-350 is by using a Adapter #47549. This will simply plug into your 7-way and adapt it to a 6-way pin connection. If you are…

I attached a picture that shows a diagram that shows how each wire of your connector would run to your trailer wiring. The right side column will be the colors of your trailer and the left side will be the #H20044.

For new 5-way wiring what you'll need is the part #A40W5B. This will handle all of the wiring that runs from the connector back to the lighting assemblies as well as for a reverse lock out solenoid. Surge brakes don't always require wiring as…

Yes, the #HM40975 that you referenced will fit the connector in your picture. The picture is pretty blurry though. So if you are needing to replace that harness as well the part #HM40975-11998 comes with the connector with wires that could get…

For your wiring, you will need to test your wire functions to know which one connects where. I recommend using a 12v battery and simply connecting the negative terminal to the trailer frame and then connecting the power to each wire at the connector…

The yellow wire of the 7-way harness part #H20044 that you referenced goes to the center pin of the 7-way which is an aux circuit that is typically used for reverse lights if present on the trailer. Normally the red wire on a 7-way (RV standard…