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Adding a 4-Way Trailer Connector to a European Motorhome Towing an American Trailer

Question:

I have a 2008 National RV motorhome on a 2007 F53 Ford frame. It has the European tail light system. I have trailer that has the standard American lighting. I was told there is a tail light converter that will make these two systems compatable. Thank you.

asked by: Dennis


Expert Reply:

In order to provide a compatible 4-Way at the rear of your 2008 National RV with European taillight system for use with an American trailer, you will need to hardwire the Upgraded Circuit Protected Modulite with 4 Pole Harness and Hardwire Kit, # 119179KIT.

You will need access to the wiring behind each taillight on the RV. Use the included circuit tester to test the wires for function. On the harness, the yellow wire is left turn signal, the brown wire is running lights, the green wire is right turn signal, the red wire (ran to the driver side taillight) is for brake lights, and the white wire is the ground. If the RV uses the same bulb for stop and turn light functions, you will need to ground the red wire with the white wire.

The separate red wire will get connected to the RV positive battery terminal via the in line fuse. The included 20 feet of 12 gauge wire might not be long enough depending on how long the RV is. You can always add more using # 12-1-1. Wire is sold in 1 foot increments. If you wanted 5 feet, for example, you would enter 5 in the Quantity box. The power wire provides the power to the trailer lights while the other connections to the RV provide the signals. I have included a link to the installation instructions for the 119179KIT wiring harness below.

expert reply by: Michael H




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Products Referenced in This Question

Upgraded Circuit Protected Modulite with 4 Pole Harness and Hardwire Kit - Includes Testers


Upgraded Circuit Protected Modulite with 4 Pole Harness and Hardwire Kit - Includes Testers

ratingratingratingratingrating
43 reviews

119179KIT

Retail: $69.90

Price:  $62.91

Product Summary:

Trailer Hitch Wiring
Powered Converter
Universal Fit

Product Specs:

4 Flat


more information        




12 Gauge Black Primary Wire - per foot


12 Gauge Black Primary Wire - per foot

ratingratingratingratingrating
1 reviews

12-1-1

Retail: $0.35

Price:  $0.34

Product Summary:

Wiring
Accessories
12 Gauge
1 Wire

Product Specs:

Wire
Single Wire


more information        





Product Page this Question was Asked From

Plug-N-Tow (R) Short Proof Powered Taillight Converter - Heavy Duty


Plug-N-Tow (R) Short Proof Powered Taillight Converter - Heavy Duty

ratingratingratingratingrating
3 reviews

46365

Price:  $66.95

Product Summary:

Trailer Hitch Wiring
Powered Converter
Universal Fit

Product Specs:

4 Flat


more information        







More Answers about Wiring

Featured Help Information

Installation InstructionsInstructions for 119179KIT











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