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• Installing Charge Line Kit on 2024 Ford Maverick Hybrid With Charging Post Under Hood
  Hi Harry; you have to follow the instructions of the Roadmaster Battery Charge Line Kit # RM-156-25 so you cannot use the post under the hood. The 12V battery under the seat or in the back is pretty common for hybrid vehicles. What you will need to do is pick up some additional wire # DW07550-1 to run to your connector at the front.
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• What Gauge Wire To Run To Thermostat For AC Unit/
  Hello Keith, thanks for reaching out. For thermostat wire we recommend using 14 gauge wire such as part # DW07550-1 for runs under 25'. Anything longer than 25' you should bump it up to 12 gauge.
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• Can The RV Holding Tank Heater # 372HTH-A Be Installed In The Underbelly With Insulation
  Hey Korey, That's a totally normal installation for the RV Holding Tank Heater # 372HTH-A. My only word of advice would be to run a dedicated outlet for it to plug into with a switch somewhere in-line that's easy to access so you can cut power to the heater as needed since this is going to be hidden in your trailer's underbelly. Same thing if you want to run this on DC voltage instead of AC voltage. DC will likely be the easier route and I'd be willing to bet you have open fuse ports...
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• Can The Ultra Bright LED Lights Be Used For Backing up
  Yes The Ultra Bright LED Flood Light # 3371492196 can be used as a backup light when connecting to your reverse blue wire from the 7 plug, but you need to make sure that the circuit can handle the power of the light. Each light runs 6.25 amps, since you're running two you will need at least 12.50 amps for them to function properly. They can also attach to your current battery setup when the truck is not running. To add a switch. You can install diode # RM-790 (for one each light) inline...
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• How to Provide Power to Trailer Reverse Lights
  To connect back up lights you need to have a 7-way trailer connector on both your trailer and tow vehicle. On a 7-way the reverse lights are powered by the center pin. To connect reverse lights to the trailer's 7-way you can use 16 gauge wire # 16-1-1, or 14 gauge # DW07550-1 if you have a longer trailer. Both are sold by the foot. If you need reverse lights a couple of popular options are the Optronics LED Backup Light # BUL10CB for an LED that uses a 2-wire pigtail # A45CB to connect....
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• Recommendation for Submersible LED Backup Lights on a Boat Trailer
  I can help you add reverse lights to your trailer. Yes, It is important to pay attention to DOT compliance when adding lights on your boat trailer. Compliance will be met if you use the Optronics # BUL10CB light as your backup light. The # BUL72CB is purposed for a utility light and will not meet the criteria for reverse lights on the roadway. In order to add reverse lights to your trailer would would need to have a 7-Way on the trailer and a 7-Way on the vehicle. On the vehicle side,...
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• Can Demco Towed Vehicle Battery Charge Wire Kit Be Used on Vehicle with Battery in Trunk
  In regards to the Towed Vehicle Battery Charge Wire Kit for Demco Supplemental Braking Systems part # DM66VR, we must recommend you attach the power wire directly to the battery. Therefore, if the battery is in the truck you would likely need to extend the wire to reach back there as this kit is mainly designed for vehicles where the battery is in the front. In order to do this you'd need some extra 14 gauge wire, the part # DW07550-1 which is sold by the foot. It's possible that you can...
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• Which Pin On a 2018 Ford F-150 Trailer Connector Is For Reverse Lights
  Yes, the center pin for the 7-way trailer connector on your 2018 Ford F-150 is for the reverse light circuit. If the vehicle is placed into reverse then the pin will become active and send power to the trailer. I have attached a selection of our backup lights for you below. I recommend the Hot-Line LED Trailer Backup Light Bar part # 328-003-6017W because its's easy to install and has LED bulbs. In order to run the power wire from this light to the trailer connector you can use part # DW07550-1.
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• Recommended Gauge of Wiring for Trailer Lights
  Trailer wiring generally uses 16 gauge wire, part # 16-1-1. However, with a long trailer like yours you may want to go with a larger like 14 gauge # DW07550-1 or even 12 gauge # 12-1-1. Each size is sold by the foot. You will need to have the lights at the rear of the trailer of brakes and turn signals. Also since the trailer will be 10 feet wide you need clearance lights on each side.
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• What Gauge Wire Should I Use for Installing New Side Marker Lights on Trailer
  If this were my trailer, I'd use 14 or 16 gauge wire for the clearance lights. I'd use 14 gauge wire if the trailer is longer than 12 ft or so, but 16 gauge will be just fine on smaller trailers. For 16 gauge wire, you can use our part # 16-1-1. For 14 gauge wire, you can use # DW07550-1. If you need butt connectors, we also carry heat shrink butt connectors, # DW05744-10, that fits both size wires.
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• Installation of a 3rd Brake Light on a Leer Camper Shell on a 2009 GMC Sierra 2500 HD Crew Cab
  I can help you wire a 3rd brake light on your Leer Camper Shell. First we need to locate the CHMSL (Center Height Mounted Stop Light) wire on your 2008 GMC Sierra 2500HD Crew Cab. If you have a 7-way already you will want to check behind that connection for a light blue wire. If you don't have a 7-way prewired you will want to look for a wiring harness up above the spare tire. You may have to push back the wire loom to see the wire but this light blue wire is used for the 3rd brake...
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• Connecting 12 Volt Pump to 7-Round Connector on Tractor
  As long as the 7-round plug on your tractor has 12 volt power, you should be able to wire your 12 volt pump to the connector. You can use a circuit tester like # PTW2993 to test your connector to make sure you have 12 volt power on what should be the center pin location. You will just run the power wire from your pump to a round 7-way like the Pollak HD # PK11702 and then connect it with the connector on your tractor. If you need additional 14 gauge wire, you can use part # DW07550-1.
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• Can the Goal Zero Adapter Cable 287-98009 be Used to Power a Remote Latch
  The Goal Zero Adapter Cable # 287-98009 has a 6mm input meaning that it is designed so that the power runs to the alligator clips instead of the other way around. This is the opposite of what you are looking for. I can't say if it would work or not in that manner or if it will pop the in line fuse. Traditionally the direction of the power doesn't matter to a fuse but it hasn't been tested for that application so better safe than sorry. If this is for a vehicle and the vehicle has power...
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• Recommended 7-way Connector For 2020 Ford F-550 Cab And Chassis
  I have an option you mentioned you were not wanting, but at this time there is not a plug and play 7-way connector for a 2020 Ford F-550 Cab and Chassis. The only option would be to install one like the Hopkins Endurance Quick-Install 7-Way Trailer Connector with Universal Pigtail Harness # HM47210 but you will need to splice into the factory wiring. If you need to extend any wires you will want 12-gauge # 12-1-1 for the red, white, and blue wires, and 14-gauge # DW07550-1 for the green,...
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• Is a In-Line Fuse Required For Installing The Tuson Asymmetric Sway Control # 335TSC-1000?
  The black power wire on the Tuson Asymmetric Sway Control # 335TSC-1000 does not need an inline fuse. You only need to make the connection using 14 Gauge Wire # DW07550-1 to the battery.
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• Brake Controller Recommendation for for 2005 Mercedes ML500 for Trailer with Electric Brakes
  Good news! I spoke to my contact at Horizon Global, who makes many of the brake controller brands like Tekonsha or Draw-Tite, and you should be able to use their brake controllers since they operate on the PWM signal (pulse width modulation) instead of on the output voltage signal. The challenge for you will be to find the correct stoplight wire behind the brake pedal. He instead suggested you locate the CHMSL (Center Height Mounted Stop Light) wire to splice into on your 2005 Mercedes...
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• Roadmaster Brake-Lite Installation for 2015 Jeep Cherokee With Push Button Start Switch
  If your 2015 Jeep Cherokee has the push button start switch that doesn't start the engine when the brake fuse is removed, the Roadmaster Brake-Lite Relay Kit # RM-88400 needs to be installed in the Normally Closed position. Here are the instructions for that proper installation: Remove the green wire from the kit. If you are using a Roadmaster Even Brake supplemental braking system, set this wire aside to use later. Locate the brake-light-switch wire in your towed car. Remove the brake...
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• Recommended Brake Controller and Wiring Harness for 2012 Toyota Tundra Console
  The Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus # 3040-P is a great option for Tekonsha brake controller wiring in the traditional location. However, because you desire the controller to be a part of your console, you'll just need to use some # 12-1-1 to extend the black, blue and white wires however long you need, and # DW07550-1 to extend the red wire. This wire is sold by the foot so make sure you adjust the quantity to however many feet you need...
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• Parts Needed To Wire In a 3RD Brake Light And In Bed Lighting To a Truck Topper On a 2013 Ford F-250
  I recommend using the Curt 5th Wheel/Gooseneck Custom Wiring Harness # C56070 to tee off your factory 7-way connector on your bumper of your 2013 Ford F-250. This will give you a 7-way connection inside the bed of your F-250. By using this connection you can easily remove your topper and wiring by disconnecting the connector. To that you can use a Pollak Black Plastic, 7-Pole, RV-Style Trailer Connector # PK12706 to wire in for both the brake light circuit as well as a power circuit for...
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• Troubleshooting Right Running Light Not Working Properly on Trailer
  Whenever there are lighting issues it is always best to start off by checking your grounds and connections to make sure that are clean and free of debris. If you are not getting a good signal on your vehicle side connector or if your trailer lights are malfunctioning then I can help you trouble shoot that. If your the running lights on your vehicle are acting up you will need to take it in to a shop to get it looked at as all the information I will be able to provide is that you will...
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• Where to Find Third Brake Light Circuit for Wiring Up Camper Shell Wiring on 2008 GMC Sierra
  First we need to locate the CHMSL (Center Height Mounted Stop Light) wire on your 2008 GMC Sierra. If you have a 7-way already you will want to check behind that connection for a light blue wire. If you don't have a 7-way prewired you will want to look for a wiring harness up above the spare tire. You may have to push back the wire loom to see the wire but this light blue wire is used for the 3rd brake light for your truck cab. I've included an image for you to see what that harness looks...
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• Running Wires For Hopkins Backup Camera To Mount On Front Of Vehicle
  In order for you to be able to use the Hopkins Smart Hitch Backup Camera, part # HM50002 as a camera and monitor, you will need to cut the plug off the end and hard wire the system. If you are going to use it for the front I recommend running the red wire to the battery and use a switch. You will need additional wiring like part # DW07550-1 to reach the switch inside of the vehicle. This is sold by the foot. You will also need to secure the white ground wire to a clean bare metal surface. For...
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• Trailer Lights Go Out When Headlights and Brake Pedal are Applied
  The problem you described sounds like a ground issue. What I recommend doing is running the ground wire for each of the trailer lights (assuming they do not all ground through the mounting hardware) up to the ground used for the 4-way trailer connector. I would then reground the bundle of wires for the lights and connector to a new bare metal spot on the trailer frame using both a self tapping screw like part # FA1131822 and ring terminal like part # DW05762-1. If you need additional wire...
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• Left Tail Light on Trailer With 5 Wiring Harness is Not Working Properly
  From your picture and your description, I would say that your left turn, tail, and back up signals are all run on separate wires instead of being combined like most of our replacement taillights are. I recommend starting with your tow vehicle by using a Circuit Tester, like part # PTW2993, to make sure that the 5-Way on your vehicle side is fully functioning. Moving on to your trailer, I would start by using the circuit tester to see which of those wires are not working on the harness...
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