How To Connect A 7-Pole Diode Wiring Cable To A 4-Pole Connector On An RV
Question:
hooked up system but not working when i hook up straight cord my RV has a 4 prong hook up not a 6 r7 what should ido
asked by: Lennard S
Expert Reply:
Since you already have a 4-pole wiring harness on your RV you would just need to install a 4-pole to 7-pole Adapter # 37185 to get a 7-way connection at the end of your motorhome and allow you to hook up your straight cable from your Roadmaster 4-Diode Universal Wiring Kit # RM-152-98146-7.
To install this kit you'll need to make the following connections:
The 4-pole connector to the one already on your RV.
The blue wire to the brake controller.
The purple wire to the reverse light circuit.
The white wire to bare metal for a ground.
The black wire to the battery with an fuse inline like # 9510.
You'll need some additional 10AWG wire to make these connections so I recommend also picking up some # 10-2-1 and # 10-1-1 as well as some heat shrink butt connectors # DW05745-10 for a water-tight connection.
Once this kit is installed you'll have a 7-way on your RV to allow your Roadmaster 4-Diode Universal Wiring Kit # RM-152-98146-7 to properly operate, sending your braking and turning signals through your towed vehicle.
Products Referenced in This Question
Deka Jacketed 2 Wire, 10 Gauge, Brake Wire - per Foot
- Wiring
- Wire
- Jacketed Wire
- 2 Wire
- 10 Gauge
- Deka
more information >
Adapter 4-Pole to 7-Pole and 4-Pole
- Trailer Wiring
- Wiring Adapters
- Multi-Function Adapter
- 4 Flat
- Plug and Lead
- 4 Flat
- 7 Round - Blade
- Hopkins
more information >
40 Amp In-Line Circuit Breaker - Perpendicular Mount Bracket
- Accessories and Parts
- Wiring
- Circuit Breaker
- 40 Amp
- Pollak
more information >
Deka Heat Shrink Butt Connector - 12-10 Gauge - Nylon Insulation - Yellow - Qty 10
- Wiring
- Wire Connectors
- Butt Connectors
- 12-10 Gauge
- Deka
more information >
Product Page this Question was Asked From
Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Wire to 6-Wire Straight Cord
- Tow Bar Wiring
- Splices into Vehicle Wiring
- Diode Kit
- Universal
- Tail Light Mount
- Roadmaster
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Article: Must-Have Flat Towing Components
- Article: Trailer Wiring Diagrams
- Article: Roadmaster Vehicle Specific Base Plates
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Q&A: Can the Curt Custom Tail Light Wiring Kit Be Used With LED Lights
- Q&A: Should There Be Any Gap Between The Roadmaster D-Ring Adapter And The D-Ring
- Article: Flat Towing Package for 2018 Jeep Wrangler JL and JL Unlimited
- Article: Tow Bar Wiring: Which Wiring Kit is for You?
- Article: How to Choose a High-Low Adapter
- Q&A: Will The Curt Dinghy Wire Harness # C96JR Interfere With Activation Of A Blue Ox Patriot
- Q&A: Possible Base Plate Installers Near Visalia CA
- Q&A: Does The Roadmaster Even Brake Monitor Have A Manual Brake Override Function
- Q&A: Does The Blue Ox Patriot Braking System Come With A Monitor To Display When The Brakes Are Activated
- Q&A: Parts Needed to Flat Tow 2023 Jeep Gladiator