Best 2014 Mazda CX-5 Trailer Wiring Options

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Best 2014 Mazda CX-5 Trailer Wiring Options


Today we're going to be taking a look at the best custom-fit vehicle wiring harnesses available for the 2014 Mazda CX5. Now all of the wiring harnesses that we have here today are all going to offer the four-pole flat trailer connector. That's going to power the right turn and brake, left turn and brake, running lights, and also it grounds out the system on the trailer. We've got our CURT here. This is a non-powered converter box. This is designed for use only in the CX5 with the incandescent bulb or non-LED bulbs. Then we're going to have the Tekonsha here and the Hopkins here.

Now these both offer a powered converter box. They've got a 12-volt power lead that you need to run to the battery that come off of them, but that allows these to work for both the incandescent and the LED style of lights. Now each of the converters are designed to take signals from behind the driver side taillight housing with our t-connectors, which are going to plug right into our factory connectors, and from the passenger side. Those signals then come into the converter box and they're sent out to the trailer. Now the nice thing about a converter box on all of the harnesses is that these are going to separate the trailer from the vehicle so we don't have to worry about shorts in our trailer being fed into our vehicle's wiring system. Now the advantage that you're going to have with the powered converter boxes over the non-powered converter is that with the stand-alone power that they get from the battery, that's what powers the trailer lights. That's what sends the power through the trailers. The light connections are just used for signals.

Whereas with the CURT system, it does draw power through the lighting system and send that out to the trailer. These are all also going to require you to ground out the white wire. That just grounds the system, keeps everything functioning properly. There's a stud located in the back compartment that you can attach it to so there's no need to drill any holes or anything like that. Now with the CURT wiring harness, it's going to deliver three amps per side for the right turn and brake, left turn and brake, and a five-amp total for the running lights on the trailer. Now of course with the Tekonsha or with the Hopkins, since we do have to run that power wire, it's going to be a little bit more difficult to install, but we're going to get higher amperage ratings out of this for use with your larger trailers. The Hopkins is going to be great for your small to medium size trailers that have the incandescent lights.

This delivers 4.2 amps for the right turn and brake, left turn and brake, and it's going to deliver 7.5 amps for the running light circuit. The Hopkins is the highest of the bunch. This is going to be for your larger trailers with lots of lights. The Hopkins delivers eight amps for all signals, whether it's right turn and brake, left turn and brake, or running lights. Each of our wiring harnesses do include a cover. This cover is designed to come down and over the four-pole, keep it protected from the elements. However, all of our wiring kits are designed to stay in the back hatch of the vehicle.

When ready for use, you'll pull them out, use them, and then tuck them back away when you're done. Now the non-powered option from CURT is certainly going to be the easiest to install on your vehicle. It doesn't require us to run that 12-volt power wire. This is going to be used for the occasional use situation. This isn't an everyday wiring kit. This is going to be for just your cargo carriers, your small utility trailers, or medium size utility trailers with LED lighting. Once we get into our larger trailers that have incandescent lights or our enclosed trailers, we're definitely going to want to look at one of the powered options. Now let's sum up what we've talked about here. When it comes to the ease of installation, the CURT, it's definitely going to be the way to go. When it comes to power output, the Hopkins at eight amps per circuit, it's certainly leading that class. But remember, when it comes down to LED compatibility you do need to choose either the Tekonsha or the Hopkins. That's going to complete our look at the best wiring harnesses available for the Mazda CX5. We hope the information is helpful in deciding which kit's going to be right for you.


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