Primary Wire - 16-Gauge - Black - per Foot

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• Troubleshooting Low Voltage on Right Turn/Brake Pin for 2011 Ford F-150 Trailer Connector
  If the relay for the trailer right turn/brake light circuit looks good on your 2011 Ford F-150 then the next thing to check is the ground on your F-150. Make sure that it is secure and connected to a clean, bare metal surface. It would also be good to check the wire for your right turn/brake to make sure it isn't bent or exposed anywhere. You can use 16 Gauge Wire # 16-1-1 and Butt Connectors # DW05744-5 to replace any parts that look bad. I have attached pictures of both a 4-Way and...
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• Availability of Black and White 16 Gauge Wire
  In 16 gauge wire we only carry two colors by the foot. We have the black wire part # 16-1-1 or we have the white part # DW02359-1. In 10 gauge we only have the wire in red like part # DW02508-1 or blue like part # 10-1-1 but I think what you'd really be best served with is the 7-way upgrade kit part # e99011 which comes with a 7-way and junction box and then for the wiring to run from the box to the trailer wiring you'd want the # DW04914-1 which is sold by the foot and uses the standard...
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• How to Use Circuit Tester and Multimeter to Confirm Lighting Functions on Vehicle Wiring
  Trailer wire colors sometimes follow a color code but there is never a guarantee that this is done all the time. When a vehicle assembly line runs out of one wire color, they do not stop production - they change wire colors! More often than not, a white wire is ground, but there is no way to actually look this up reliably for your Lancer. So the best way to figure out the correct wiring for installing an item like an aftermarket spoiler with built-in lighting functions is to test the...
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• Brake Fuse Keeps Blowing with New Wiring Harness Installed
  If you keep blowing a fuse and the wires on your new harness looked burnt then there is a good chance that the harness is your problem. When a fuse keeps blowing like that it usually means there is a short somewhere. Check the connector on both your tow vehicle and your trailer to make sure they are clean and free of any rust, corrosion, or debris. If the connectors look good then you will want to move on to troubleshooting the wiring on your tow vehicle and your trailer. Look for...
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• Troubleshooting Trailer Turn/Brake Signal Not Working on a 2014 Toyota Tundra
  Thank you for all of the details, you have already done quite a bit of the work in narrowing down the problem. Since the common denominator in this situation is your 2014 Toyota Tundra the issue can be isolated to that. You should be getting 12V of power to your stop/turn lights so since that is lower you most likely have a ground issue. Check the ground on your Tundra as well as the wiring for those light circuits. You should find a bad ground or some wiring that has been pinched or...
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• Running Lights on Trailer do not Work
  I would make sure that your tester is on the right setting because unless you have some kind of amplifier on that wire there should be no way that you are reading 20V from the 12V battery in your 2006 GMC Sierra. What you are probably reading is something like 20 amps. Since you are actually getting power to the connector on your Sierra what you will want to do is make sure that your trailer side is connect. Double check the connector on your trailer and make sure that there is no debris...
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• 3rd Brake Light Wire Location On 2009 Ford F-150
  To wire a brake light only on a truck bed topper you will need a dedicated brake light only circuit. Tow package wiring would not work because the brake light circuit and turn signal circuits are together. So you would either need to find a wire under the truck that is dedicated brake light only or you would need to tap into the center high mount stop lamp circuit. Check the owners manual to see if the "CHMSL" is fused by itself or if the fuse handles other functions as well. If the...
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• Fuse Keeps Blowing on 2017 Ram and Running Lights on Trailer Do Not Work Properly
  It sounds like you have a short somewhere on your circuits. You can start by inspecting the 7-Way connector on your 2017 Ram and your trailers to make sure that they are clean and do not have any debris in them. If those look good then the next step would be to inspect all of your grounds and make sure that they have a solid connection to a clean, bare metal surface. Even some paint could cause a bad ground which results in a short. Since this problem is happening with both trailers...
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• 2015 Ford F-350 Trailer Running Lights Have Only 3.35V at Plug
  If you are getting low voltage at the running light pin on your 2015 Ford F-350 then you will want to start off by checking the grounds on your F-350. Make sure they are secure and connected to a clean, bare-metal surface. If that is the case then you will need to move on to the wiring itself. Check the wiring on your running light circuit for any places where it is damaged, bent, exposed, or corroded and replace. You can use 16 Gauge Wire # 16-1-1 and Butt Connectors # DW05744-5 to...
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• Troubleshooting No Running Lights on 2005 Dodge Durango Trailer Connector
  Try checking fuses 7 - 10 on your 2005 Dodge Durango as they are all for the parking (running) lamps. If all of them look okay then what you need to do is either trace the wire for your trailer running lights from your 4-Way/7-Way and replace/repair anything that is in bad shape or you can run new 16 Gauge Wire # 16-1-1 from your trailer connector to those functions either at the front of your Durango or by the OEM lighting at the rear. It may be helpful to install a diode like part...
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• Troubleshooting Right Rear Tail Lights Not Working Properly
  Since lights are working on one side of your trailer but not the other the problem is definitely a bad ground or damaged wiring. Check to make sure all of your grounds are securely connected to a clean, bare-metal surface and that none of your wiring is pinched or damaged. You can replace any damaged wiring sections with 16 Gauge Wire # 16-1-1 and heat shrink butt connectors # DW05744-5.
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• Troubleshooting Rear Running Lights not Working on Catering Trailer
  You are definitely on the right train of thought. Wiring issues like the running lights not working is typically the results of some damaged wiring or a bad ground. If you wanted to test your trailer you can take a 12V battery, like what is in your vehicle, and ground the Negative terminal while using the Positive terminal to test the pin in the 1 o'clock position on your trailer side 7-Way (see attached picture). If your running lights do not active when running this test then you definitely...
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• Wiring and Parts Needed to Connect Clearance Lights with Wiring Circuits on a 1998 Lazy Daze
  If the wiring on your replacement clearance lights don't quite reach the wiring on your 1998 Lazy Daze then you can simply purchase 16 Gauge Wire # 16-1-1 which is sold by the foot, and then use Butt Connectors # DW05744-5 or # DW05744-10 to splice the wires together. We also have the Trailer Wiring Installation Kit # HM51010 you can use for the installation which includes a variety of connectors, electrical tape, zip ties, a circuit tester, and a wire tool.
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• Installing Aftermarket Spoiler Brake Light To Brake Light Wire On 2008 Mazda 6
  The Replacement Brake Control Plug-In Harness for Tekonsha and Draw-Tite Brake Controller 12" Long # 20127 is not a fit for your 3rd brake light on your 2008 Mazda 6. To power your aftermarket spoiler, you only need to tap into the power signal of that stop light wire and then add a ground wire if the ground isn't already in the spoiler mounting. I recommend using # 16-1-1 wire sold by the foot and Quick Splice Connector # SWC501925-1. You can use circuit tester # PTW2993 to determine...
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• Troubleshooting the Left Turn Signal Not Working on Trailer
  It sounds like you have checked just about everything there is to check. Since you said that you have checked all of the connections and tried a different trailer with your vehicle and it worked fine, the only other thing that I can think of is for you to check the wiring itself. Start on either of end the trailer and follow the wiring that goes to your left turn signal. Check for any corroded, exposed, bent, or damaged sections. If that all looks fine, then (if you can without damaging...
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• Installing Wiring for Truck Cap Topper Center Brake Light
  For your 2008 Chevy Silverado 1500, the third brake light wire for your topper is already run and can be found under your dash in a bundle of wires. I've attached a video to assist you. The wire you are seeking for that topper is the orange chmsl wire (which stands for center high mount stop light). You will simply run a # 16-1-1 wire from that location to your topper center brake light. I recommend using the Deka Heat Shrink Butt Connector # DW05744-5 for nice protected connections.
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• Troubleshooting Trailer Lights that Work Only When Cinder Block is Placed in Back of Trailer
  If your lights are working when you add weight to the back of your trailer you likely have a short. I would start off by checking the wiring directly under the location where you place the cinder block. If your grounds are securely connected to a clean, bare-metal surface then there is most likely some wires on the underside of your trailer that have a stronger connection when the block is in your trailer. Look for any places where the wiring is damaged or pinched and replace it with...
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• Trailer Running Lights Work but Not the Turn or Stop Lights
  From what you are describing it does sound like you have a short somewhere. Start off by checking the connectors to make sure that they are clean and free of debris. You can then want to check all of your grounds to ensure that they are secure and connected to a clean, bare metal surface. If all of those look good then you will want to inspect the wiring itself. Look for any places where the wires are damaged, exposed, bent, or corroded and replace them. You can replace any bad wiring...
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• What Signal is Carried on the Brown Wire of a 4-Way for a 2006 Ford E-150
  Typically the brown wire on a 4-Way connector carries the tail/running light signal for a trailer. This could be the same for your 2006 Ford E-150 but since manufacturers don't always follow this pattern you can just use the attached photo to help you determine what the function should be. If the brown wire is right next to the open ground pin on your 4-Way then it should be the tail/running light circuit. If this doesn't have any signal you can start off by checking the fuse for that...
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• Troubleshooting Right Side Running Lights Not Working on 1989 Travel Trailer
  If the left side of your lighting is working normally and your grounds on the right side look good then that means that the wire somewhere on the right side of your 1989 travel trailer is damaged or bent. Sometimes a splice will be pretty close to any lights on that circuit but this isn't always the case. Your best best is to follow the wiring from your 7-Way to the lights or vice versa. If you find any pieces damaged go ahead and replace them with 16 Gauge Wire # 16-1-1 and Butt Connectors...
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• Troubleshooting Power from Connector on Pickup but No Trailer Lights
  If the connector on your pickup shows power for the lights when you test it then the issue should be on your trailer. You can verify this by connecting a different trailer to your pickup or by using a 12V battery to power the individual pins on your connector. Just ground the negative terminal and use a wire from the positive terminal to power the different pins. The most common issue with trailer lights that aren't working is a bad ground. Since none of your lights are working though...
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• Running Lights on Trailer Not Working When Towed by a 2011 Dodge Ram 2500
  I tried looking up relays that would be for a trailer on your 2011 Dodge Ram 2500 but I couldn't find anything in an online version of the owner's manual. If your copy of the manual shows relays then that would be a great place to go next if all of your fuses look good. Should you have relays that are in working order then you will want to check the connectors on your Ram and your trailer to make sure that they are clean and free of debris. If those look good then you will need to...
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• Troubleshooting Running Light Pin on 7-Way Not Receiving Enough Power
  Typically dim lights are an indication of a bad ground somewhere. What you can start off doing is checking the 7-Way on your truck to make sure that it is clean and free of debris. You will then want to move to all of your grounds and check to make sure that they are secure and connected to a clean, bare-metal surface. If those look good then you will want to check the wiring itself. Look for any places where it could be damaged, bent, corroded, or exposed and replace as necessary....
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• Powering Back Up Lights on my Trailer
  You can make this happen without much issue here. Simply use a length on 16 gauge wire part # 16-1-1 from the reverse wire in your 7 -way wiring on the trailer and run it back to both of the lights on your trailer. You can use a tester like part # PTW2992 This will cause the lights to come on when you put the vehicle in reverse or when you turn the lights on manually in the trailer. Part # DW05744-5 Will give you heat shrink butt connectors to make your splices and keep them protected from...
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• Do Trailer Lights Sparking Create a Short
  Yes, the reason the lights on your trailer are not getting power is because you created a short when the wires touched. You will need to replace the wire that shorted with the wire gauge you were using, likely 16 gauge # 16-1-1, 14 gauge # DW07550-1 or 12 gauge # 12-1-1. You will need to use Heat Shrink Butt Connector - 16-14 Gauge # DW05744-5 or 12-10 Gauge # DW05745-5 and Heat Gun # ALL836717 if you don't have one. I have added a link to a couple of help articles on trailer wiring...
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• Troubleshooting Radiator Fan With 12V Battery Where Wires Get Very Hot
  The wires may not be the correct gauge. They should not have been hot with 12V power. The motor may be drawing too much power as well. If the motor isn't overheating, than replacing the wires should solve the problem. You can use # 16-1-1 or # 12-1-1 depending on the amperage needs of your motor and the length of wire needed. Longer distances requires thicker gauge wire for proper amperage.
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• Availability of 16 Gauge Wire for Trailer Lights
  The Optronics 4-Way Wishbone Trailer Wiring Harness # A25W2GWB that you referenced has 18 gauge wire for the ground and 20 gauge wire for all of the lighting functions. I check with all of the other wishbone harnesses that we have and they all use similar gauge wiring none of which is 16 gauge. For 16 gauge wiring you can use the Deka Bonded 4 Wire # 16-4B-1 which is sold by the foot. I recommend using heat shrink butt connectors like part # DW05744-10 and the Quick-Fix Replacement 4-Way...
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• Recommended Wiring for RedArc BCDC Charger Used for Auxiliary Battery to Power Inverter
  To connect your Redarc In-Vehicle BCDC Battery Charger - Dual Input - DC to DC - 12V/24V - 40 Amp # 331-BCDC1240D, you will need the 60-Amp MIDI Fuse Kit for Redarc In-Vehicle 40-Amp BCDC Battery Charger # 331-FK60. This will protect your vehicle and battery from potentially damaging overcurrent from short circuits or overloads. You will run the Red Wire from your RedArc unit to the fuse, and then from the fuse to the positive battery terminal on your vehicle start battery. I've...
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