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Expert Answers about Saturn Vehicle Lights


  • Can Tow Ready Vehicle to Vehicle Tail Light Converter 118158 Power LED Lights on Trailer
  • Tow Ready Vehicle to Vehicle Tail Light Converter # 118158 cannot be used with a vehicle that has LED lights because these vehicles' wiring is too light and the power sent to the LED lights is too low to properly operate the converter. It requires the higher strength signals from a vehicle that uses standard more-power-hungry incandescent lights, whose wiring is heavier and whose signals are stronger. If connected to a LED-equipped vehicle the signals from that vehicle would not be strong...
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  • Does the Vehicle to Vehicle Tail Light Converter Work with LED Lights
  • Vehicle to vehicle converter # 118158 works if the TOW vehicle has regular lights and the dinghy (vehicle being towed) has LED lights. So basically the input source has to be 12 volt incandescent lights. I have linked a demo video for you.
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  • Is There a Plug-N-Play Option to Have Towed Vehicle & Trailer Light Connection on 2015 Jeep Wrangler
  • Yes, we do have plug-n-play wiring options to provide towed vehicle lights and trailer lights on your 2015 Jeep Wrangler. You will want to use the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118416 and the Hopkins Custom Tail Light Wiring Kit for Towed Vehicles # HM56200. The T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118416 would plug into the plug behind the drivers side tail light and then the Hopkins Custom Tail Light Wiring Kit for Towed...
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  • How to Determine Width of Trailer for Lighting Purposes
  • To determine the width of your trailer for lighting purposes, the width is measured at the widest point of the trailer. It is the responsibility of the trailer owner to determine the width of their trailer, and to ensure that it lit according to state and federal regulations. Your state police, highway patrol or department of transportation is a great resource for finding the regulations that apply in your area. All clearance and marker lights are tied into the running light circuit...
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  • Trailer Keeps Blowing Vehicle Running Light Fuse or Trailer Running Lights
  • The problem you are having with the running lights on the trailer sounds like a short circuit somewhere. To find it the first step is to disconnect the trailer from the tow vehicle. Then use a circuit tester such as # PTW2993 to test the vehicle side connector while someone sits in the vehicle and goes through the light functions. If the running light fuse blows while testing the vehicle side connector, then that indicates the short is on the vehicle somewhere. Check the connections for...
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  • Do Vehicle Taillights Need to Function If Vehicle is Towed with Tow Dolly
  • Generally, you don't need additional lighting when using a tow dolly that already has lights. However, it's not a bad idea to check with the local laws in the states you'll be traveling in. If you do need to have lights on the vehicle you could use the magnetic LED tow light kit part # TLL21RK and to add a 4-way to your tow vehicle's wiring you would want the part # 18252 which would wire into the current trailer wiring.
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  • Is a Converter Needed to Add an LED Light to the Back of a Bike Rack
  • Trailer lights such as # STL59RB are designed to work with what is called a combined system where the brake lights and turn signals are on the same circuit. This is what the 4-Way flat connector has on your vehicle. If you used a converter such as # 118158 it would separate out the brake lights from the turn signals. If you are using a light that is designed for separate brake and turn signal functions then you would need the converter. But if you are using a trailer light such as # STL59RB...
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  • Can a 2007 Cadillac DTS with LED Tail Lights Tow a Trailer with Incandescent Lights
  • You can tow a trailer with incandescent lights to a vehicle with LED lights. There are only issues on some vehicles when towing a trailer that has LED lights. What allows you to use a T-connector type of wiring harness like # 118535 on a vehicle with LED tail lights like your 2007 Cadillac DTS is a powered converter. A powered converter gets power for the trailer lights directly from the vehicle battery. It receives the signals from the connections to the tail lights but the vast majority...
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  • LED Vehicle Lights With Incandescent Trailer Lights
  • In order to safely avoid overloading your vehicle's wiring system, you would need to have a trailer wiring harness with a powered converter that supplies power to the trailer lights similar to the Curt Powered Tail Light Converter with 4 pole flat # C59236 . If your vehicle has a factory tow package that came with a wiring harness installed, you'll likely already have a powered converter installed in-line with the wiring harness. This allows you to safely run the incandescent trailer lights...
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  • When Should My Trailer Lights Be Working
  • When the vehicle is not running and the key is in the off position, the only functions that should be working on your vehicle and trailer will be the headlights and tail lights as they are not tied into the vehicle's ignition system. If you vehicle's brake lights come on when the brake is applied, then your trailer brake lights should come on as well. It is likely the turn signals will not function while the vehicle is not running and the key is in the off position. When the vehicle is...
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  • If Vehicle Headlights are Set to Auto Will It Light Up the Trailer Lights
  • As long as the auto mode for the vehicle headlights energizes the same running light circuit that is used by the tow package wiring running light circuit, then yes, it will work. To check if this is the case you will need to set the vehicle lights to auto, probably at night so the head lights come on, and then use a circuit tester such as # 40376 to test the vehicle side trailer connector to see if the running light pin is energized.
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  • Recommended Tow Bar Wiring For 2014 Jeep Wrangler Unlimited
  • If the wiring harness for your vehicle is wired properly, the signal to the brake lights is received through the wiring harness and not the brake controller, to make the towed vehicle lights operate. We do not have a bulb and socket kit available for your 2014 Wrangler Unlimited. You may need a brake light relay like part # RM-88400. The brake light relay ensures the towed vehicle turn signal lights work in tandem with the towing vehicle lights. To find out if you need a brake light relay...
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  • Why are Diodes Needed for Lighting when Flat Towing a Vehicle
  • When a vehicle is being towed it cannot operate its own lights. The diodes are a gateway with 2 inputs and one output. One input is the regular wiring on the vehicle. The other input is from the RV. Since vehicles being flat towed will not have working lights they will have to get power to function from the RV. The diodes allow for 2 inputs so that you don't have to disconnect the vehicle lights to plug in power wires from the RV. The tow vehicle lighting system only matters if the tow...
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  • Troubleshooting Trailer Tail Lights not Working when Tow Vehicle Head Lights are On, Toyota Tundra
  • This to me sounds like a ground problem. It sounds like your tail lights function until the additional load of having the head lights of your vehicle are turned on and then the lights cut out. The reason this manifested after the vehicle swap could be a lower voltage output of your latest vehicle. Either way I would check the grounds on the tail lights of your vehicle and make sure they are making a good connection to a clean metal surface. I attached an FAQ on trailer wiring for you...
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  • Running Lights on 2001 Chevy S-10 Not Lighting Up Using Diode Kit for Flat Towing
  • The first thing you are going to want to check is if running light power is making it all the way back to the diodes installed on your 2001 Chevy S-10. You would do this by connecting the truck to the back of the RV (or other vehicle you are using) and turn the running lights on on the tow vehicle. Then use a circuit tester such as # PTW2993 if you need one. If there is no power on the input wire from the RV/tow vehicle, then the issue is somewhere ahead of the diode. It could just be...
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  • How to Install a Tailgate Light Bar on a Trailer Using the Vehicles 4-Way
  • The Putco Red Blade LED Tailgate Combination Light Bar part # P92010-60 which is the lightbar I recommend for your trailer has LED lights so the amp draw will be very minimal. The reason that this is important is because the total amp draw for each circuit on both the trailer and light bar cannot exceed that of the vehicle's trailer lighting circuits. I do not believe you will have any issues because the light bar has LED lights which draw much less power when compared to incandescent....
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  • Installing a 2-Wire Combined Trailer Light on a Vehicle with 3-Wire Separate Wiring
  • It sounds like you're trying to use trailer tail light, part # STL201RFMB, which is a 2-wire system on a vehicle that has 3-wire separate wiring. The light is designed as a trailer light, and trailers generally use 2-wire lights but the light can work on a vehicle with separate lighting if wired correctly using a converter. You need a converter like the Roadmaster Brite-Lite, part # RM-732, to combine the turn signal and brake light circuits on your vehicle. Connect your vehicle's brake...
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  • Will Auxiliary Lights on Tow Vehicle Automatically Light Up When Connected to Reverse Circuit
  • As long at the center pin of the 7-Way connector on your tow vehicle receives power when you put the vehicle in reverse then auxiliary backup lights will light up automatically when you put the vehicle in reverse. I do recommend installing diodes like part # RM-690 just to ensure that any issues that may arise with the auxiliary lights doesn't backfeed into your vehicle wiring.
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  • Tail Light Converter For Going From a Vehicle With Separate Turn Signal/Brake Lights To a Trailer
  • I do have another product for you as the Vehicle to Vehicle Tail Light Converter # 118158 is only for going from a vehicle with combined tail lights to a vehicle being towed that has separate tail lights and turn signals. The Upgraded Circuit Protected Tail Light Converter # 119178 will connect to your car that has separate turn signals and brake lights and combines them to for the 2nd vehicle with combined tail light/turn signals. This has a 4-way flat connector like that is used on...
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  • Why Would Truck's Trailer Taillight Circuit Turn On/Off With Vehicle Gear Selector
  • Modern vehicles/trucks have interesting running light circuits. Some vehicles have day time running lights that are on all the time which would be similar to having the vehicle running lights activated. This might cause the trailer running lights circuit to be active at all times too but it depends on how closely this circuit is wired to the vehicle lights. Some vehicles will have the running lights turn on or off depending on if you are in drive or park which also could affect the running...
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