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Expert Answers about Wesbar

  • Trailer Wiring Diagram for 4-Way, 5-way, 6-Way and 7-Way Trialer Connectors
  • A link to the trailer wiring you are asking about is provided, just scroll down the page to select the connector you have on your vehicle and trailer. The wires on the 5 pole flat are as follows White/ground, Brown/taillights, Yellow/left turn and stop, Green/right turn and stop and Blue/reverse lockout. The brown will run to both sides of the trailer and the yellow and green will only go to the respective side they are needed on. The Blue wire goes to the electric lockout solenoid...
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  • What are the Functions of Trailer Light Green, Yellow, and Brown Wires
  • Normally, the green wire on the right side carries right turn signal and brake light functions and the brown wire carries running light functions. On the left side, the yellow wire carries left turn and brake lights and the brown wire again carries the running lights. With only 2 wires, these lights must ground through the mounting studs. Make sure to wire in the new lights by function to the existing trailer wiring and not by color.
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  • Trailer Lights Only Work with Camper Plugged In To Shore Power
  • It sounds like the trailer lights are tied into the interior lights and the trailer mounted battery and inverter. What I recommend is to have the trailer exterior lights bypass the rest of the wiring so that the trailer connector is isolated from the other lights. It seems that if everything is connected together through the battery or the inverter, including the trailer connector. Replacing the battery could solve the issue but I would still have the trailer connector separate from...
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  • Connecting Harley Davidson 5 wire Harness to a 4 Flat Connector on a Trailer
  • I would recommend you cut off the 5-way on your motorcycle. Wire in a tail light converter kit part # HM48895. This will convert your separate circuit tail light signal of your motorcycle to a combined circuit like what your trailer has. On Harleys the turn signal wire circuit is separate from the brake light circuit so a converter like the # HM48895 is needed to convert the signal into a combined circuit like what your trailer has. You will need a circuit tester like our part # 3808...
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  • Trailer Wiring Harness for a 2007 Jeep Grand Cherokee Laredo
  • Wire color used for the tail lights on any given vehicle is not always the same within the same model year of the same vehicle. Based on that you would have to test the wiring with a circuit tester like # 3808 if needed to find the function of the wiring. But it is unnecessary for your vehicle. You need a wiring harness specifically made for a 2007 Jeep Grand Cherokee. You can use # 118425. It takes all of the guess work out and you will not have to test wiring or splice into the vehicle...
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  • Parts Needed to Convert a Separate Tail Light Signal of a Honda Goldwing to Combined for Towing
  • It sounds like the adapter you used dropped the brake light circuit when it went from a 5-way to a 4-way. Normally on a 4-way the brake light circuit is on the turn signal circuit. Motorcycles usually have a separate wire/circuit for just the brake lights separate from the turn signals so I believe that is where your problem is from. I believe I have a solution for you, but not with using the adapter you have. I would recommend you cut off the 5-way on your motorcycle. Wire in a tail...
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  • Installation and Troubleshooting Wesbar Replacement Lights and Right Turn Signal Not Functioning
  • The Wesbar # 403026 is considered the left hand side, the drivers side, or roadside. The Wesbar # 403076 is for the right hand side, passengers side or curb side. It should not matter which one is installed the wiring to the replacement trailer light is not side dependent. The only difference between the two is that the left hand side # 403026 has a clear section under the light that also functions as a license plate illuminator. If the turn signal on the right hand side is not functioning...
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  • Wire Gauge Size For Wesbar Wiring Harness # W002290
  • You are correct that the lower number on wire gauge means that is is a heavier wire. The Wesbar 5-Pole Flat Connector, part # W002290, you referenced has a 5 ft 18 gauge auxiliary blue wire that connects to the backup light circuit to disengage trailer surge brakes when you are backing up. The balance of the wires are 16 gauge. I have attached a couple of links to helpful articles for wiring on trailers you may wish to check out.
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  • Connecting a 5-Pin Trailer Wiring Harness for Motorcycle to a Trailer with 4-Way Flat Plug
  • The Hopkins Tail Light Converter Kit with 4-Way Flat Connector # HM48895 will work as long as you do not mind having a 4-way connection on your motorcycle. You will have to remove the 5-pin connector and wire the converter on the motorcycle to reduce its 5 wire system to a 4 wire system. Your trailer should be wired as follows: White wire = ground brown = tail light yellow = left turn and brake green = right turn and brake Attach the white ground wire to a suitable ground on...
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  • Testing Vehicle and Trailer Wiring to Install a 5-Way Flat Trailer Connector
  • In order to determine the wiring functions you will need to test them with a circuit tester like # 3808 if needed. On the harness that you referenced, # 20016, white is ground, brown is running lights, yellow is left turn/brake lights, green is right turn/brake lights, and blue goes to the reverse light circuit. Many vehicles have separate turn signals and brake lights so on those vehicles a converter is needed. Converters can be vehicle specific so I would need to know the year, make,...
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  • LED Bulb Upgrade for Ranger Trail Trailer Lights
  • Yes, we do have an upgrade for you. First you will need to upgrade your old sealed 102640 capsule to Wesbar Replacement Tail Light Capsule # 403356. This part can be opened and the incandescent bulb replaced. The replacement LED bulb you want is part # P231157W-360-S. On most vehicles LED lights will not cause a situation where the lights will hyper flash, but the only way to know if it will cause that situation on your vehicle is after the LED lights are installed. If that situation...
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  • Amber Flush Mounted Trailer Clearance Light Recommendations
  • The Wesbar light part number 203260 has been discontinued for a few years now. We carry several similar lights though. You should check out the link I attached to see them all.
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  • Trailer Left Tail Light Does Not Blink with Turn Signal but Causes Right Turn Signal to Blink
  • The problem you are describing does indeed sound like a ground issue. When a weak ground all sorts of strange things can happen. Make sure there is nothing between the light ground and the metal frame. The tail light should be grounded to a clean and corrosion free bare metal surface. If the trailer has an aluminum frame, tilt bed, or folding tongue, those things can interrupt the ground. Running a jumper wire from the tail light ground to the main trailer connector ground can help. You...
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  • Recommended Way to Re-Wire a Boat Trailer with a 7-Way Plug
  • The adapter will work but it's more of a short term solution because of the potential corrosion issues in the future not to mention when you introduce additional connection points problems can arise. I would test the reverse lockout (purple or blue wire) with a circuit tester with the 7-Way center pin. If that works you are good. I would recommend rewiring the trailer with a 7-Way plug because it will prove to be more reliable than using an adapter. I would start with a trailer junction...
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  • Replacement Trailer Taillight Lens Recommendation for a Wesbar Taillight Part Number 006554
  • Yes, the Wesbar taillight assembly part number 006554 that you referenced is the same as the part # 403076 that you also mentioned so the correct replacement lenses would be the part # 053522033360.
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  • Troubleshooting Why Trailer Lights Go Out When You Hit the Brakes
  • It sounds to me like you may have a ground problem. There are several places to look for a poor ground connection. I recommend starting with the trailer connector on the trailer. Check to make sure that the ground wire is secured to a clean metal surface on the trailer. In addition, each lamp/signal will also need to be grounded. Typically the lamp/signal is grounded through the mounting bolts having direct contact with the trailer frame. If the area that the lights are mounted to...
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  • 2-Pole Wiring Extension for Use with the Waterproof Over 80
  • Sounds like you are looking for the Hopkins 2-Pole Flat Wiring Extension # HM47965 to go along with the Waterproof Over 80" Low Profile Tail Light # 106411. The left hand version of this light is part # 106410. Or it is possible you are looking for quick splices like part # 564.
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  • Recommended Rectangular Trailer Lights for my Snowmobile Trailer
  • At this time we don't have a tail light that measures 9-inches x 2-1/2 inches. The best match we currently stock is the Wesbar tail light right hand side # 106411. The left hand side tail light is # 106410. These are surface mounted tail lights and measures 8-1/16 inches in length x 2-7/8 inches in width. Additional close matches are Optronics drivers side # RVSTL61 and passenger side # RVSTL60. They are surface mount and measure 8-11/16 inches in length x 3-3/16 inches in width. I...
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  • Where Circuits Wire to the Wesbar Submersible Low Profile Trailer Tail Light # 403026
  • You are correct, the brown/green wire goes to the running light circuit of the taillight # 40306 that you install on the right side of the trailer and the brown/yellow wire from the trailer wiring goes to the running light circuit on the left side of the trailer. The running light circuit of the # 40306 is the brown wire. So both the above mentioned wires will connect to the brown wire. The red wire is for the stop/turn function. Most likely this will be a solid green wire for the right...
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  • Wire Harness and Wire Gauge to Re-Wire Open Landscape Trailer
  • It is common for trailer wiring to use larger gauge wires for the ground, and sometimes electric brake and 12V power circuits, than for the lighting circuits (running lights and stop/turn signals) since these circuits demand more current flow. For typical trailers with electric brakes and 7-way RV-style connectors the wire gauges are usually 10-gauge for ground and 12-gauge for all others, such as with part # DW04914-1 from Deka. Even though you may not need all 7 wires at this time this...
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  • Opening Wesbar # 403025 Taillight to Replace Light Bulb
  • The panel on the bottom of the Wesbar Submersible Tail Light is removable to allow access to the bulbs. Simply place a screwdriver in between the tabs on either end of the panel and gently pry upward. Once the panel is out, you can easily replace the bulb. I've linked you to a video showing how this is done.
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  • Troubleshooting Malfunctioning Wesbar LED Trailer Lamps on EZ Loader Boat Trailer
  • Are any of the functions of the lamps working at all, or are they completely dead? As a first step, I'd remove the lamps from the trailer, and use a 12 volt battery to apply power directly to the leads on the back of the lamp. Ground the white lead to the negative post of the battery, and apply power to the pin and socket for the red and black wire. If the lamps work in this manner, there's a wiring problem on the trailer that needs to be tracked down and repaired. If both lamps are...
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  • Can the LED Waterproof 4" x 6" Tail Light be Used on Left and Right Hand Side of Trailer
  • Yes, the only difference between the left hand and right hand versions of the LED Trailer Taillight part # 271584 is the lack of the license plate with the # 271584 so you could use it on either side of your trailer. I attached an FAQ article on trailer wiring for you to check out as well.
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  • Replacement LED Wrap Around Lights For 1999 Rangertrail Trailer
  • I have attached a photo of the 7-Function LED Wrap-Around Tail Light, part # 271594 you can check out. The dimensions are noted on the photo. You can compare those to the lights you currently have on your 99 Rangertrail trailer and see if this will be a match. The # 271594 is for the right side of the trailer and for the left side you would want part # 271595, which is the same as the right hand but includes a license plate light. You should have no problem replacing your incandescent...
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  • Why Does Driver Side LED Trailer Tail Light 271575 Cost More than the Matching Passenger Side
  • The driver side trailer tail light # 271575 has an additional function, the license plate light. So it and the right side, # 271574, are not the same. I have included a picture that shows the license plate light at the bottom of the driver side light.
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  • Availability of Wesbar Grommet Mounted Amber and Red Clearance/Marker Lights
  • We do indeed carry the Wesbar Red # 47-203668 and the amber # 47-203667 clearance/marker lights. We also carry the mounting grommet, part # 221588 and the wiring pigtail, part # A46PB. You can order the lights, grommets and pigtails online by following the provided links, or by phoning our Customer Service folks at 800-298-8924.
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  • Can Trailer be Wired for Backup Lights Using 5-Way Plug and then Converted to 7-Way
  • Yes, you could wire your trailer to have backup lights by using a 5-way flat like the Hopkins Endurance Trailer Connector, # HM47910, and then use an adapter like the 7 Pole to 5 Pole Flat Wired Adapter, # A57WB, to be able to plug in to your vehicle's 7-way. Although wiring the 5-way connector for backup lights and then converting to the 7-way will work, this will require more parts than what is necessary. I recommend just wiring in a 7-way connector like the Pollak Black Plastic, 7-Pole,...
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  • Replacement Bulb for Wesbar Submersible Low Profile Trailer Tail Light # 403076
  • Wesbar Submersible Low Profile Trailer Tail Light # 403076 uses an 1157 bulb, # A1157B.
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  • With Running Lights or Brake Lights On Turn Signals on Trailer Alternate
  • Tail light ground wires are usually white so that doesn't seem odd. This sounds like a ground issue. Ground problems normally show up when there is more draw on a system such as when you have the running lights on and then use another function like a turn signal or brake light. Make sure that the vehicle side and trailer side connectors are clean and free of corrosion inside and out. The main connector grounds should be attached to clean and corrosion free bare metal surfaces. The...
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  • Recommended Replacement 4-Way Connector For 1960 Trailer
  • We do offer flat 4-way trailer connectors. I recommend the Wesbar 4-Pole Flat Connector w/ Jacketed Cable, part # W787264. You would need to cut the connector off of your trailer and test the wires on the trailer for function using a 12-volt power source and a circuit tester like part # 3808. I recommend using a junction box like part # 38656, to protect the wiring. For ring terminals I recommend part # DW05702-1 for 14-16 gauge wires and part # 44-5310A for 10-12 gauge wires. I...
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