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Expert Answers about Wiring


  • Flat Tow Wiring for 2015 Subaru Forester
  • Both the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 and the 7-Wire to 4-Wire Flexo-Coil Wiring Kit # RM-15247 will work with your 2015 Subaru Forester so you can use either. The only difference between the two is that the 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 will provide you with a 6-way connector at the front of your Forester and # RM-15247 will give you a 4-way . Otherwise, the two operate exactly the same.
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  • Trailer Wiring Harness for 2002 Lexus IS 300
  • According to our friends at Curt Manufacturing, part # C59236 is the correct wiring harness for your Lexus. The # 56201 is designed to be used with a multiplex wiring system like those found on some newer vehicles, and would not work correctly with your Lexus. The harness would install as follows. The included circuit tester is used to test the circuits in the wiring harnesses that feed the rear tail light assemblies. As each lighting function is activated, use the tester to test each...
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  • Do the Wire Colors on the Tekonsha Plug-In Wiring Adapter Match the Redarc Tow-Pro Elite
  • The colors on the wiring between the Redarc Tow-Pro Elite Trailer Brake Controller # RED44FR and the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers # 3064-P will match in terms of function. It sounds like you are wanting to use the # 3064-P to install the # RED44FR. No plug is present under the dash, but the needed wires are already run. You will connect the brake controller wiring with the vehicle wiring already present under the dash. Since the # RED44FR comes with a...
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  • Comparing The Hopkins Wiring Harness To The Roadmaster Wiring Kit For 2017 Ford F-150
  • For your 2017 Ford F-150, the Hopkins Custom Tail Light Wiring Kit for Towed Vehicles HM56009 has been recently discontinued by the manufacturer. The only reason I recommend a Roadmaster wiring kit like # RM-15267 over a plug and play option is because of the other features in the kit. The 6-way, mount, connecting wire, and loom make a really clean point of access, especially if there is a braking system recommended that is a wired unit that stays in the vehicle. You can always piece...
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  • Comparing Amber Clearance Lights with 1-Wire vs. 2 Wires
  • The difference between a clearance light with one wire and one with two is simply that the 1-wire type uses the light's mounting hardware to establish the ground, rather than a separate ground wire. The two are interchangeable so long as the mounting surface on the trailer will allow you to drill a hole to let you attach the white ground wire to the frame. Alternately, you could attach the ground wire to another of the existing ground wires on the trailer.
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  • Why Use 10-Gauge Wire # 10-2-1 Rather Than 12-Gauge # 12-2-1 for Electric Trailer Brake Circuits
  • You are correct that Deka Jacketed 7-Wire # DW04914-1 uses 12-gauge conductors for all but the ground wire, which is 10-gauge. There are several variables with trailer brake wiring that we generally do not know when our customers ask about the wire gauge that should be used for re-wiring a trailer's electric brakes. The length of the trailer (and the required wiring) and the number of axles (and brake assemblies) can vary and when we do not know all of the particulars for every installation...
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  • Comparing Trailer Wiring Harnesses for a 2011 Chevy Camaro
  • The Curt trailer wiring harness for your 2011 Chevy Camaro, # 56089, plugs in line with the vehicle tail light wiring and will be grounded using the separate white ground wire with the ring terminal on it. It does not have a converter or circuit protection. The Hopkins # HM11141285 also plugs in line with the tail light wiring and has a separate ground wire. I have included links to the right to the instructions for each harness.
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  • 4-Pole Wiring Harness Kits for 2016 Ford Transit T250 & T150
  • The Curt # C56327 is a confirmed fit on both the 2016 Ford Transit T150 and T250 if they do not have the factory trailer wiring setup. This has custom-fit connectors that plug in at your taillight wiring; it has a white ground wire that will attach to the vehicle metalwork; and it has a single power wire that you will need to run up to the engine compartment to connect to the battery + terminal using the supplied fuse holder. The power wire for either kit can be run on the outside of...
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  • What Fifth Wheel And Gooseneck Wiring Harness Is Available To Fit A 2011 Chevy Silverado 3500HD
  • I have 5 different fifth wheel and gooseneck wiring harnesses to fit your 2011 Chevrolet Silverado 3500HD with the factory tow package. The most popular is the Draw-Tite 90 Degree Wiring Harness, part # 50-97-410. This has a 90 degree adapter head and 9 feet of wiring harness. The 90 degree head is nice when installing the 7-way to the sidewall of the truck bed. The 9 feet of wiring harness gives enough wiring to allow the connector to be installed most anywhere in the truck bed. The...
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  • Comparing the Trailer Wiring Harnesses for a 2010 Kia Sportage V6
  • The best trailer wiring harness for a 2010 Kia Sportage is the T-One Vehicle Wiring Harness part # 118401 because it has a fully epoxied converter box which not only works to keep out water but also works to help hold the wires on the circuit board which is the most common failure point for a trailer wiring harness. The Curt T-Connector Vehicle Wiring Harness part # C55529 also has an epoxied converter box but not to the same level as the T-One Vehicle Wiring Harness. I would concur that...
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  • Comparing the Roadmaster Combo Wiring Kit and Roadmaster Diode Flexo-Coil Kit
  • The RoadMaster Falcon 2 and Falcon All-Terrain Combo Towing Kit # RM-9243-1 was designed as a combo kit to be purchased along with Roadmaster Falcon Towbars like # RM-520. The Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 is a more 'universal' kit that focuses on giving you a 7-wire to 6-wire harness no matter what tow bar you have. The main difference is the Falcon Kit # RM-9243-1 has 8,000 lb capacity safety cables and extra tow bar accessories, while the Diode Kit...
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  • Power Wiring Differences between Jensen RV Stereo 910 and JWM60A RV Stereo
  • So the 12 volt ignition power wire is what the radio uses to tell it that the vehicle is on and to turn on the radio or "wake up" this can be wired to say power source that powers the radio if you like. So on the new stereo the names of these circuits are slightly different but basically you'd run the dc switched circuit and the power input dc 10 amp circuits together and to same wires that your old stereo ran to that were together. The third wire that says amp remote would be if you...
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  • Original Prodigy Controller vs P2
  • The major difference between the Prodigy and the Prodigy P2 brake controller is that the P2 is compatible with electric over hydraulic braking systems. Your existing wiring should be compatible, but you can confirm this by testing the bare wires or the existing plug that connected to original brake controller. The existing plug should be fed by a black, white, a red and a blue wire. You can use a circuit tester like # PTW2993 to test the wires or the sockets in the plug. The black wire...
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  • Differences in Tow Ready and Hopkins Wiring Harnesses for Mazda B Series Pickup
  • The main difference between the Tow Ready # 118325 and the Hopkins # 40215 wiring harnesses is that the Hopkins # 40215 requires the harness to be grounded to the vehicle with the included self-tapping screw. The wiring harness needs to be grounded at a location where the sheet metal is doubled. I recommend the Tow Ready T-One Vehicle Wiring Harness # 118325. This harness will have a much simpler installation since there it is a true plug-and-play wiring harness. Since the ground wire...
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  • Comparing Installation of Curt and TowReady Wiring Harnesses for 2014 Toyota Sienna
  • The installation of the two trailer wiring harnesses you referenced, TowReady # 118498 and Curt # C56106, will be quite similar on your 2014 Toyota Sienna. Both are powered converters that will draw the required power for your trailer's lights from the vehicle battery rather than through its own wiring. This isolates the vehicle's wiring from faults that could otherwise potentially cause damage to it. It also helps ensure brighter light output on the trailer. The converter box on the Curt...
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  • Comparing Custom Trailer Wiring Harnesses for a 2021 Honda Odyssey
  • There are three trailer wiring harness options for a 2021 Honda Odyssey, the T-One Vehicle Wiring Harness part # 118781, the T-One Vehicle Wiring Harness part # 118753, and the Curt T-Connector Vehicle Wiring Harness part # C56382. The T-One Vehicle Wiring Harness part # 118781 is what I recommend because when compared to the T-One Vehicle Wiring Harness part # 118753 comes with additional fuses that correspond with your fuse box slot #10, slot #11, and slot #12. If you find that you have...
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  • Comparing the Trailer Wiring Harnesses for a 2020 Honda Odyssey
  • There are three trailer wiring harness options for a 2020 Honda Odyssey, the T-One Vehicle Wiring Harness part # 118781, the T-One Vehicle Wiring Harness part # 118753, and the Curt T-Connector Vehicle Wiring Harness part # C56382. The T-One Vehicle Wiring Harness part # 118781 is what I recommend because when compared to the T-One Vehicle Wiring Harness part # 118753 comes with additional fuses that may or may not be needed to activate the tow package. If you want to check the fuse box;...
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  • Comparing Curt And Hopkins Wiring Harnesses For 2011 Volvo XC70
  • Trailer wiring harnesses for your 2011 Volvo XC70 use powered converters to draw the power for the trailer's wiring. This prevents the taillights of your Volvo from having to power the trailer wiring. The Hopkins kit part # HM11143735 that fits your vehicle runs a line to the positive post of the vehicle whereas the Curt part # C56386 instead runs to the interior light. This is HIGHLY unusual but it is what Curt recommends. So you either would need to run a wire to the battery or to the...
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  • Comparing Curt And Tekonsha 4-Way Wiring Harnesses For a 2018 Acura RDX
  • In my experience I have found that the Tekonsha harnesses like the T-One Vehicle Wiring Harness # 118569 seem to have less issues than units like the Curt T-Connector Vehicle Wiring Harness # 56008. I feel that Tekonsha uses a more durable power module that holds up better to road vibration and shock inside the vehicle. I also see that the Tekonsha harness for your 2018 Acura RDX added a seperate ground wire rather than using the ground wire in the factory harness. I have linked the installation...
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  • Trailer Wiring Harness Recommendation for a 2012 Kia Sorento
  • The main difference between the Curt Modulite Wiring Harness, # C59496, and the Curt T-Connector Wiring Harness, # C56328, is that the T-Connector harness, # C56328, simply plugs into the factory tail light connectors at the back of the tail light assemblies. The Modulite Harness, # C59496, needs to be hardwired into your vehicles tail light circuits. I recommend using the T-Connector Harness # C56163 because you will not need to cut or splice into your vehicles tail light wires. Both...
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