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Roadmaster Universal Diode Wiring Kit Installation - 2019 GMC Sierra 2500 Video

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Products Featured in this Video


Roadmaster Diode 7-Wire to 4-Wire Flexo-Coil Wiring Kit


Roadmaster Tow Bar Wiring

126 reviews


Code: RM-15247

Price:  $145.86
  • Tow Bar Wiring
  • Splices into Vehicle Wiring
  • Diode Kit
  • Universal
  • Tail Light Mount
  • Roadmaster



Diode kit allows you to use your vehicle's tail lights and wiring system while preventing feedback from your RV. Wires 2-wire and 3-wire systems to operate as a combined lighting systems. Includes 7-wire to 4-wire Flexo-Coil electrical cord.


Do you have a question about part RM-15247?more information >     


Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Wire Hybrid Cord


Roadmaster Tow Bar Wiring

116 reviews


Code: RM-152-1676-7

Price:  $210.89
  • Tow Bar Wiring
  • Splices into Vehicle Wiring
  • Diode Kit
  • 30 Foot Long Harness
  • Universal
  • Roadmaster



Perfect for tow bars with built-in channels, this complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your towed car. Diodes prevent feedback and wire your car to operate as a combined system.


Do you have a question about part RM-152-1676-7?more information >     


Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit


Roadmaster Tow Bar Wiring

1242 reviews


Code: RM-15267

Price:  $147.27
  • Tow Bar Wiring
  • Splices into Vehicle Wiring
  • Diode Kit
  • Universal
  • Tail Light Mount
  • Roadmaster



Diode kit allows you to use your vehicle's tail lights and wiring system while preventing feedback from your RV. Wires 2-wire and 3-wire systems to operate as a combined lighting systems. Includes 7-wire to 6-wire Flexo-Coil electrical cord.


Do you have a question about part RM-15267?more information >     


Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Wire to 6-Wire Straight Cord


Roadmaster Tow Bar Wiring

249 reviews


Code: RM-152-98146-7

Price:  $193.11
  • Tow Bar Wiring
  • Splices into Vehicle Wiring
  • Diode Kit
  • Universal
  • Tail Light Mount
  • Roadmaster



This complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your towed car. Diodes prevent feedback and wire your car to operate as a combined system. Includes a 7-way to 6-way straight adapter cord.


Do you have a question about part RM-152-98146-7?more information >     


Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 4-Pole Flat Connectors


Roadmaster Tow Bar Wiring

767 reviews


Code: RM-154

Retail: $143.99

Price:  $89.89
  • Tow Bar Wiring
  • Splices into Vehicle Wiring
  • Diode Kit
  • Universal
  • Tail Light Mount
  • Roadmaster



This wiring kit carries your RV's brake and turn signals to your towed car's tail lights. Diodes prevent electrical feedback. Towed car's tail lights will operate as a combined lighting system. 4-Pole wiring harness included.


Do you have a question about part RM-154?more information >     


Roadmaster Universal Hy-Power Diode Wiring Kit


Roadmaster Tow Bar Wiring

226 reviews


Code: RM-152

Retail: $122.64

Price:  $93.43
  • Tow Bar Wiring
  • Splices into Vehicle Wiring
  • Diode Kit
  • Universal
  • Tail Light Mount
  • Roadmaster



Diode kit allows you to use your vehicle's tail lights and wiring system while preventing feedback from your RV. Wires 2-wire and 3-wire systems to operate as a combined lighting systems. Connectors and Extension loop sold separately.


Do you have a question about part RM-152?more information >     


How to Install the Roadmaster Universal Diode Wiring Kit on a 2019 GMC Sierra 2500


Hi there, GMC owners. Today, on your 2019 GMC Sierra 2500HD, we're gonna be taking a look at and showing you how to install Roadmaster's diode wiring kit. Roadmaster's diode wiring kit is gonna take all the lighting signals on our motorhome and transfer them to the lights here at the back of the vehicle. I've got the hazard lights turned on and you should be able to see those at the motorhome as… see more >     


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Employee Andrew S
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Employee Brent H
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Brent H
Employee Shane H
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Shane H
Employee Robert C
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Employee Conner L
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Employee Jeff D
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