See what our Experts say about this Optronics Trailer Lights

• Troubleshooting Trailer Taillights Where Only One Side of Trailer Lights Work
  First thing you should do at this point is test the 4-way of the wiring harness with a circuit tester part # PTW2993 for voltage on all of the right pins when the taillight signals are being applied. Just like in the video I attached. If the voltage checks out there but the trailer lights still don't function right then the problem is on the trailer wiring. That would mean that problem is either due to a ground issue or a short issue. Make sure that the trailer side connector are clean...
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• Installing New Trailer Lights and Wiring on a Horse Trailer
  There isn't a kit available for what you are looking for, but you can still piece everything together. For grommets to use with the # ST45RB you would want the part # A45GB and then for a pigtail you would want the part # A45PB. Often times, people will run the wires from a 7-way such as yours to a junction box like part # 38656. From there, they will run the standard wire colors to the trailer lights, brakes and battery. I have attached a photo that shows how this setup works in the...
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• Troubleshooting Stop/Turn Signal of a Optronics Light part # ST45RB on a Trailer
  It sounds like the problem is in the wiring. If your light is a dual intensity light and both intensities are working with the running lights and brighter with the brake lights then the problem lies in the turn signal circuit most likely on your vehicle. You might test the trailer connector on your tow vehicle with a circuit tester like our part # PTW2993 like the video I attached shows to determine if the wiring of your vehicle is good. If the problem is in the vehicle wiring you will...
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• 2 and 4 Inch Diameter Trailer Lights, Grommets, and Harnesses
  I will be happy to help and give you some options. For 2 inch diameter red lights we have several options: # MC53RB (use grommet # A54GB and harness # A46PB) # MCL50RB (use grommet # A54GB and harness # A46PB) # MCL55RB (use grommet # A54GB and harness # A46PB) # MCL55R1224B (use grommet # A54GB and harness # A46PB) All in one option # MCL-50CRK # MCL155RB (use grommet # A54GB and harness # A46PB) For 2 inch diameter amber lights we also have several options: # MC53AB (use grommet #...
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• Adding Lights to a Kuat Sherpa 2.0 Bike Rack on a 2015 Land Rover Evoque
  There isn't anything specifically designed for lighting on a bike rack so you're going to have to be a little creative here. Since the Kuat Sherpa 2.0 # SH22G is aluminum and you don't want to drill into it (Understandably so) you'll need to find a way to mount lights to it. Zip ties, like you mentioned, are going to be your best option. Tying a light like # ST45RB would be difficult to find a surface but might work. You'll also need a 3-wire connector # A45PB per light. Then you'll...
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• How to Remove Tail Light That Has Rivets Holding the Grommet in Place
  It all depends on how the light installs. If it is like the Optronics part # ST45RB that installs with the grommet # A45GB then you should be able to remove it without removing the grommet. You may need access behind the light to do this though. If your tail light is more like the Optronics part # ST40RB though where the grommet is part of the light then you will need to remove the rivets by drilling them out and then use new rivets or even screws to install the new tail light (or the...
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• Replacement LED Trailer Tail Lights for a 2005 Gulfstream BT Cruiser
  Optronics trailer tail light # ST45RB is potentially a fit for your trailer if the existing lights are one of the following: Uni Bond # SE4000R Wesbar # 423541 Truck Lite # 40282R/40202R Grote # 52922 Peterson # 426R Bargman # 40-01-001 This information is likely on the light housing somewhere on your existing lights. The 2 knobs on the back are not an issue since this light would mount in a hole in the trailer or in mounting bracket # BK45BB both using grommet # A45GB. If you are not...
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• What Causes Dim Brake Lights on Yakima Rack and Roll Trailer
  With a trailer that is made of aluminum, you can experience grounding issues. Since you indicated that the light appears to work for the functions, but is dim when applying the brakes, I think this may be the problem. Due to vibration when in use, the wires can become loose, causing varied issues. I would first make sure all of the wire connections are secure on the trailer. You might want to check the ground wire connections on the trailer. Make certain the ground wire (usually white)...
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• Replacement 4 Inch by 2 Inch Round Tail Light for a 2006 Damon Intruder RV
  The closest match we have to your existing Glo-Brite taillight is the Sealed, 4 inch Round LED Trailer Stop, Turn and Tail Light, Flush Mount, 3-Function, 12 Super Diode, # STL23R-24B. It measures 4 inches in diameter and 1-15/16 inches deep. To install this light, you would also need Rubber Grommet for 4 inch Round Trailer Tail Lights, # A45GB, and Straight 3-Wire Pigtail for Sealed Trailer Stop, Turn and Tail Lights, # A45PB. Since this light is an LED, if you determine that it is the...
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• Replacement Round 4-1/4 Inch Grommet Mount Trailer Stop/Turn/Brake Lamps
  The closest lamp we offer to what you describe would be the Optronics # ST45RB. The lamp measures 4-1/4 inches in diameter at its largest, and the lamp installs into a 4-1/2 inch rough opening using the rubber grommet which is available separately as part # A45GB. If the 4.25 inch mounting diameter you refer to represents the diameter of the rough opening that the lamp installs in, this lamp will be a bit too large so you'd need to either enlarge the hole by 1/4 of an inch. The 3 pin plug...
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• Are the Light Bulbs in the Cargo Carrier Light Kit # 52014 Replaceable Or is a New Light Needed
  The bulbs in the Cargo Carrier Light Kit For 52017 and 52018 Cargo Carriers, item # 52014, are not replaceable because the light housings are factory sealed to keep out water and road grime. The Light itself can be replaced though. Part # ST45RB is the Sealed, 4 inch Round Trailer Stop, Turn and Tail Light, Flush Mount, 3-Function and will replace your existing light.
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• Parts Needed to Install 4-1/2 inch Diameter Light in Trailer
  Yes, all three of the parts you mentioned are what's needed to install a light assembly in a 4-1/2 inch diameter hole. The light part # ST45RB fits the # A45GB, and the pig tail part # A4PB is the correct one as well.
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• Is Peterson Red Round Replacement Lens # 420-15 Interchangeable with DZ 77-845 Tail Light
  The Peterson Red Round Replacement Lens, # 420-15, is not interchangeable with the DZ 77-845 light that you referenced but I may have a solution. For just a bit more than the cost of a lens, you could replace the entire light assembly with the Sealed, 4" Round Trailer Stop, Turn and Tail Light, # ST45RB. 3-Wire Pigtail, # A45PB, and Rubber Grommet, # A45GB, would be needed in addition to the light. Unfortunately we do not offer a replacement lens that will work for your current light.
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• Replacement Tail Light Recommendation for a 2006 Damon Trailer
  All I really can say is that based on the measurements a previous customer of ours submitted about the tail lights that are on their 2006 Damon trailer the closest replacement we can offer is the Miro-Flex LED Trailer Stop/Turn/Tail Light # STL23R24B. It measures 4 inches in diameter and 1-15/16 inches deep. To install this light, you would also need Rubber Grommet for 4 inch Round Trailer Tail Lights, # A45GB, and Straight 3-Wire Pigtail for Sealed Trailer Stop, Turn and Tail Lights,...
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• 4 Inch Round White Trailer Backup Lights Needed for a Quick Loader Trailer
  Yes, we have the Sealed, 4 inch Round Trailer Back Up Light, # BU45CB, that has a clear lens and provides a white backup light. Along with the light you might also need a 4 inch round grommet, # A45GB, and a straight pigtail, # A45PB, or a right angle pigtail, # A47PB.
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• Harness Availability for the Sealed, 4
  Yes we do carry the plug/harness for the light part # ST45RB. For that you would want the part # A45PB.
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• Availability of Replacement Tail Light for Cargo Carrier Light Kit
  Yes it is. Part # ST45RB is the Sealed, 4 inch Round Trailer Stop, Turn and Tail Light, Flush Mount, 3-Function and will replace your existing light.
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• Troubleshooting Trailer Wiring Where Turn Signal Isn't Working and Ground is Hot
  The ground wire being really hot is not a great sign. That indicates that something is most likely shorting out to that ground and that would also explain why the one circuit isn't working properly. Trace the hot ground wire and see if you can find where a circuit may be shorting out to it and fix as needed.
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• Availability of a Round 4 inch Diameter Flush Mounted Clearance Light
  The part # ST45RB is a flush mounted red trailer light that is 4 inches in diameter. The part # STL42RB is also an option. It is LED 4 inch in diameter and has a flange mounted around the outside of it. For more similar options check out the link I attached that has all of the recess mounted 4 inch diameter clearance lights we offer.
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• Wiring and Mount for Optronics 4 Inch Round Trailer Light # ST45RB
  Sealed, 4" Round Trailer Stop, Turn and Tail Light, Flush Mount, 3-Function Item # ST45RB has a plug in the back to accept pigtail # A45PB. On it the white wire is ground, black is for tail lights, and red is for brake lights and turn signals. This light can be mounted using grommet # A45GB with bracket # BK45BB. Or if mounting directly in a surface you would just need the grommet. I have linked videos of all of these parts for you.
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• How Does Trailer Light # ST45RB Mount into Mounting Bracket # BK45BB
  I went out to the warehouse and pulled Optronics Trailer Light, # ST45RB. First, you will need to place the Rubber Grommet, # A45GB, into the mounting bracket, # BK45BB. Next, you will need to press the light until it is seated all the way in the bracket. This last step actually takes some strength as the light is held in place by the grommet. I had to use some lubricate to get the light to seat all the way in the mounting bracket. Once in place, the light will not come out unless it is...
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• Can Bulb be Replaced on Optronics Trailer Tail Light # ST45RB
  I spoke with my contact at Optronics and he said that the Trailer Tail Light # ST45RB is a sonically sealed complete unit and the bulb cannot actually be replaced by itself. If the bulb goes out a new # ST45RB will be needed to replace it. I have attached a short video demonstration on this light that you can also check out.
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• Replacement Trailer Lights for Truck-Lite Products
  Part 40282R3 refers to a Truck-Lite brand round red-lens light. We have the Optronics stop/turn/tail light # ST45RB which is a direct replacement. This light uses a 3-prong plug # A45PB and can mount using grommet # A45GB. Part 50-19200Y3 refers to a Truck-Lite brand rectangular amber clearance light. As a direct replacement we have Optronics # MC65AB.
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• Availability of 2 Inch Diameter 3-Function Taillight
  There is not a 3 function lamp available that has a 2 inch diameter. DOT regulations require that tail lamps meet certain size and visibility requirements. Clearance/marker lights can be smaller, but a 2 inch diameter taillight would not meet those requirements. There is a 4 inch diameter lamp, part # ST45RB. The lamp would typically mount in a grommet like part # A45GB set into an existing hole or using a bracket like # BK45BB.
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