Will Installing Wiring Harness on Mercedes-Benz GL450 Cause a Bulb Out Indicator

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Question:

I am going to install the Item # 56146KIT on a 2014 Mercedes GL450. Will it cause a bulb out indicator or mess up the SAM.

asked by: Robert R

0

Expert Reply:

The Curt Upgraded Circuit Protected Tail Light w Converter Hardwire Kit # C59496 referenced in your question is confirmed to work on your 2014 Mercedes-Benz GL450. This is a hardwire kit that you can use to install a 4-Way connector needed to power the signal lights on your trailer. I have included the installation details for you to check out.

On certain vehicles, such as your Mercedes, there may be an issue with the bulb out sensor when towing a trailer with LED lights. If your trailer uses LED lights, the vehicle may think that there is a bulb out because LED lights draw so little power. If this is the case, you will simply need to install load resistors on the brake/turn light wires on the trailer. I recommend using the LED Light Bulb Load-Resistors # DI34ZR.

I have attached the installation instructions that you can look through.

expert reply by: Chris R

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Answer 1

If the trailer has LED lights then the issue isn't the adapter or the trailer. It is the vehicle. The 2012 Mercedes GL450 and other German vehicles do not work well with trailers that have LED lights. This is because LED lights do not draw enough…

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Answer 2

The LED bulbs on your trailer draw very little power and the Lamp-Out sensor in your 2012 Mercedes-Benz GL450 sees this as a bulb that is about to go out. To solve this problem the #C35FR adapter has resistors to simulate more power draw which…

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Answer 3

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 4

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 5

You do have the option to utilize the air brakes on your 2023 Freightliner Cascadia to control electric trailer brakes using the Hayes Air Actuated Trailer Brake Controller, part #HA100400C. However, we mostly recommend just using an electric brake…

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Answer 6

Hello Curtis. You can absolutely use an RV mount tow bar with your 2006 Ford E350 Van. For example, the Blue Ox Avail Non-Binding Tow Bar #BX7420 is compatible with any 2" hitch receiver. This could be on a motorhome, van or pickup truck. As…

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Answer 7

For your 2024 Hyunda Santa Cruz we have the Curt 7-way kit part #C68JR that is a confirmed fit. This installs by plugging into a factory wiring connector on your vehicle which means a really easy install that doesn't require any splicing.

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Answer 8

To me it makes the most sense to put a Bike Rack #HLY64FR on the flat towed vehicle rather than above the tow bars. Especially on heavy e-bikes as they are difficult to lift that high onto the rack, but also as it only makes sense to have the rack on…

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Will Installing Wiring Harness on Mercedes-Benz GL450 Cause a Bulb Out Indicator

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