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Expert Answers about Chevrolet Trailer Wiring


  • Trailer Wiring Harness for 2002 Mazda Miata
  • Trailer wiring harnesses offered for your 2002 Mazda Miata include both passive types like Curt # C56175 and # 119178KIT from TowReady, and also a powered type, part # C59236. A powered harness offers the advantage of providing protection for the car's internal wiring. With a powered harness the actual power that operates the trailer lights comes from the vehicle battery through a separate wire and fuse and does not come through the actual taillight wiring in the car. That wiring just...
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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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  • Trailer Hitch and Trailer Wiring Harness for 2021 Subaru Legacy Sedan
  • According to Curt, the # C67JR Class III hitch fits all models of the 2021 Subaru Legacy, including the Premium and Sport. The only near-plug and play trailer wiring harness available would be the Curt # C79CR which does require that a circuit be ran to the battery positive terminal using the included wire, hardware and inline fuse. I'll link to the installation instructions for the hitch and the trailer wiring harness, as well as to a help article that addresses how to run the trailer...
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  • Why is Powered 4-Pole Trailer Wiring Harness Necessary on 2016 Honda Accord with LED Lights
  • Some vehicles need a powered trailer wiring harness with a separate power wire (rather than the passive type that just plug-in) in order to protect the car's wiring. In the case of the 2016 Honda Accord sedan this is the type of harness required, either Curt # C56299 if you have the hybrid model or the # C56173 if you have the hybrid model. I linked an article with tips for routing that power wire. The reason a powered harness is required is that the vehicle's internal wiring is of too...
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  • I Need a Trailer Wiring Harness, What Is The Difference Between 118679 and 118760
  • The difference between the products is that T-One Vehicle Wiring Harness with 4-Way Flat # 118679 is no longer manufactured. They are making way for the T-One Vehicle Wiring Harness for Factory Tow Package 4-Pole Flat Trailer Connector # 118760 which has an upgraded circuit board. T-One Vehicle Wiring Harness Both vehicle the harnesses fit, it allows you to quickly and easily install a 4-way trailer connector on your vehicle.The T-One connector plugs directly into OEM tow package wiring...
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  • Parts Needed to Add Reverse Function for TecNiq LED Trailer Tail Light
  • To add the reverse function on your trailer you need a 7-Way connector and enough wiring to run from the front to the back of your trailer. Here are the parts you need to get the wiring from your tow vehicle back to the TecNiq LED Trailer Tail Light # TN33XR: - Junction Box Kit # 3430001-JBK - 7-Way Molded Trailer Wire Connector # H20043 - 16 Gauge Wire # 16-1-1 - Butt Connectors # DW05744-10 - 3-Wire Pigtail # A45PMB (per light) - 2-Wire Pigtail # A42PMB (per light)
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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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  • Is an Aftermarket Trailer Hitch and Wiring Harness Different than an OEM Trailer Hitch and Harness
  • You will often pay inflated prices at car dealers. There is really no difference between the trailer hitch and wiring harness that Toyota offers for your 2009 Toyota Venza than the Curt Trailer Hitch, # 13356, and the Curt Trailer Wiring Harness, # C56079. All trailer hitches must pass specific tests whether they are OEM or aftermarket. In fact, Curt is in the OEM market as well as the aftermarket. Curt manufactures trailer hitches for a few different vehicle manufacturers. All of their...
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  • 2005 Nissan Frontier Trailer Wiring Comparison
  • Looks like you are asking about the difference between the Curt trailer wiring harness part # C56225 and the Curt part # C56225. Essentially these are the exact same harness made by two different companies. Tow Ready and Curt are both excellent companies that make quality trailer wiring harnesses. Because of that I would go with the Curt since it is priced better.
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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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  • Installation of 4-Pole Trailer Wiring Harness for 2008 Jeep Compass
  • The 4-pole trailer wiring harness kit made for your 2008 Jeep Compass, parts # C55050 from Curt, is powered-type harnesses that do require a direct battery connection for powering the converter and the trailer's lights. The kit # 118425 that you referenced, which fits only the Jeep Grand Cherokee, cannot be used on your Compass because it would not provide the protection for your car's wiring that these other harnesses do. Here is why. The internal wiring in the Compass is much lighter...
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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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  • 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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  • Difference Between Wiring Harnesses For 2011 GMC Terrain With No Tow Package
  • The Tow Ready Custom Fit Vehicle Wiring, part # 118494 has a powered converter that helps protect the vehicle wiring circuit and will supply enough power for the trailer wiring if needed. The Curt Custom Fit Vehicle Wiring, part # 56094 would be a good choice if you have LED lights on your trailer or if you do not have a lot of lights. I recommend the # 118494 because it does help prevent any damage to the vehicle wiring and would make sure you have sufficient power to the wiring on...
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  • Comparing Trailer Wiring Options for a 2008 to 2012 Mitsubishi Lancer
  • Many trailer wiring harnesses are vehicle specific so I would need to know the year, make, model, and trim level of the vehicle to recommend the best wiring harness. The Curt hitch you referenced, # 11479 is designed to fit a 2008 Mitsubishi Lancer except the Evolution and 2009 to 2012 Mitsubishi Lancer except Evolution, Ralliart, and Dual Exhaust models. For a 2008 to 2011, we only have the # 119178KIT available. For a 2012 you can use the # C56127. In this case the Curt harness, # C56127,...
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  • Comparing Trailer Wiring Junction Box 3375601100 and Trailer Wiring Junction Box 38656
  • The Trailer Wiring Junction Box part # 3375601100 and Trailer Wiring Junction Box part # 38656 are both pretty standard 7-terminal junction boxes. The latter is slightly smaller so there will be more places to mount it so that is what I recommend but you really can't go wrong with either option.
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  • Difference Between Curt and Tekonsha Trailer Wiring that Fits 2021 Jeep Grand Cherokee L
  • Both the Curt trailer wiring harness # C27BR and the Tekonsha T-One part # TK39VR are great options for trailer wiring that fits your 2021 Jeep Grand Cherokee L that does not have the factory tow package. Essentially they are the same thing designed by two different brands. I would go with the Curt though as we have great luck with the reliability of their kits.
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  • Trailer Wiring Recommendation for a 2010 Chevrolet Equinox, Circuit Protected vs Unprotected
  • We stock both the Tow Ready Custom Fit Vehicle Wiring, # 118494, and the Curt Custom Fit Vehicle Wiring, # 56094, because we have customers that request both styles. Many times customers do not want to run the extra wire to the vehicle battery, so they order the # 56094 harness. The Battery connection is the biggest advantage of the # 118494 harness for protecting the vehicle circuitry. I would use the circuit protected model, # 118494, because there is always a possibility of a short...
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  • Comparison of the 7-Way Round RV Style Trailer Side Connectors # A7WCB and # PK12706
  • I went out to the warehouse and got one of each of the 7-Way trailer side connectors to compare to each other. There are some major differences between the two connectors. The # A7WCB, 7-Way trailer side connector has a wire clamping mechanism that just has a clamp that wedges the wire into the connector to keep the wires from being pulled out, there is nothing at the back of the connector to prevent moisture from entering the connector. Another difference is that this connector has plastic...
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  • Why Does Curt # C55400 Wiring Harness Require Wire to Battery and Tekonsha # 118413 Does Not
  • Some vehicles cannot handle the additional amperage draw of the trailer lights on their taillight circuits, so a wire is required to pull power directly from the battery instead. According to Tekonsha, your vehicle is equipped to handle the extra load, so you would be fine with the Tekonsha T-One Wiring Harness # 118413, especially if you are towing a trailer with just one set of lights at the back and no extra lighting. However, if you are towing a trailer with more than two taillights...
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