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2007 Chrysler Pacifica
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Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 4-Way Flat Connectors
Part Number: RM-154
In Stock
$104.94
2007 Chrysler Pacifica
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- All Info
- Reviews (3619)
- Q & A (0)
- Photos
Roadmaster Flat Tow Wiring Harness - RM-154
- Diode Kit
- Splices into Vehicle Wiring
- 4 Flat
- Roadmaster
- Universal Fit
This wiring kit carries your RV's brake and turn signals to your towed car's tail lights. Diodes prevent damage from electrical feedback. Connects RV and towed car with 4-pole flat plugs. Includes installation hardware.
Features:
- Carries your RV's tail, brake, and turn signals to your towed car
- Prevents feedback that can damage your vehicle's electrical components with diodes
- Includes:
- 4 Hy-Power diodes
- (2) 4-Wire harnesses with 4-pole flat connectors
- Butt connectors, 1 ring terminal, zip ties, and plastic loom
Specs:
- Max amperage: 85 amps
- Max voltage: 24 volts
- Power cord: 6' long
- 4-Wire harness: 30' long
- Plastic loom: 3' long
Notes:
"Don't be intimidated by diodes: if you can strip and crimp wire, this installation will be no problem."
Combined Lighting System vs Separate Lighting System
A combined lighting system, or 2-wire system, uses the same light bulb to signal both braking and turning. (In other words, the car signals a turn by flashing the brake light.)
A separate lighting system, or 3-wire system, has the brake signal and the turn signal light up independently of each other. Typically, the turn signal is amber.
To keep the separate lighting system on your car functioning properly while you're flat towing, add a wiring converter (118158 - sold separately) and 2 additional diodes.
Do I Need a Brake Light Relay?
If the engine is off and your car's brake lights illuminate when you press the brake pedal, you need to install a brake light relay (RM-88400 - sold separately) with this kit. Without a relay, your car's brake signal will override the turn signal sent by the RV when you are slowing down to make a turn, creating a potentially dangerous situation. Other drivers will see that you're slowing down, but not that you're making a turn. With a brake light relay, you can signal both and travel safely.
Wiring Diagrams for Roadmaster Diode Kit
154 Road Master Universal Wiring Kit with 4 Hy-Power Diodes and 4 Wire Flat Trailer Connectors
Compare to Tow Ready TR118821
Compare to Hopkins 38955
Installation Details
This Product Fits The Following Vehicles
- 2010 - 2028 Ram 1500
- 2019 - 2024 Ram 1500 Classic
- 2011 - 2011 Mazda 2
- 1995 - 1997 Nissan 200SX
- 2010 - 2024 Ram 2500
- 2010 - 2013 Mazda 3
- 2000 - 2001 BMW 3 Series
- 1999 - 2004 Chrysler 300M
- 1990 - 1994 Mazda 323
- 2010 - 2024 Ram 3500
- 2013 - 2018 Nissan 370z
- 1984 - 2024 Toyota 4Runner
- 2006 - 2012 Mazda 5
- 2012 - 2019 Fiat 500
- 2014 - 2016 Fiat 500L
- 2006 - 2008 Mazda 6
- 2007 - 2019 GMC Acadia
- 2017 - 2017 GMC Acadia Limited
- 1999 - 2022 Hyundai Accent
- 1984 - 2020 Honda Accord
- 2002 - 2007 Suzuki Aerio
- 1992 - 1997 Ford Aerostar
- 1999 - 2004 Oldsmobile Alero
- 2002 - 2012 Nissan Altima
- 1989 - 2000 Isuzu Amigo
- 2003 - 2008 Isuzu Ascender
- 2007 - 2009 Chrysler Aspen
- 1985 - 1994 Chevrolet Astro
- 2007 - 2009 Saturn Aura
- 2001 - 2003 Oldsmobile Aurora See All Vehicle Fits
Customer Satisfaction Score:
92% were satisfied with this product
8% of customers were not satisfied
- etrailer mistake
- Wrong item was ordered
- Did not arrive in time
Ratings & Reviews
4.7
3619 reviews
by:
Mark
08/26/2026
Buick
Encore
This item was installed as my complete kit to enable flat towing of my Buick Encore GX. All the components work together for a wonderful towing experience.
Connecting and disconnecting is very easy. It makes flat towing a breeze.
We have put about 8K miles on the system so far and its going strong!
Connecting and disconnecting is very easy. It makes flat towing a breeze.
We have put about 8K miles on the system so far and its going strong!
by:
Randall
06/25/2025
My 6 pin plug for my Jeep arrived at our campground when expected. It was easy to install. The connection with my cord was tight and it solved the wiring issues I was having on my Jeep. Thanks to the Roadmaster technician Tim who helped me troubleshoot my problems and recommended installing a new plug before changing any wiring. It was the right solution!
by:
Maurice
07/31/2026
Easy to install with the great installation instructions
by:
Steve
07/11/2026
The package was complete and using YouTube videos was simple to install.
Customer support and tech support were friendly and very helpful.
Customer support and tech support were friendly and very helpful.
by:
Steve
03/23/2026
Radial tires are the only way to go on a small trailer bias tires I went through in 1k miles. Radials over 6k and still going
by:
Steve
03/13/2022
Installation instructions were great, no issues or questions. I ran the wire thru the frame, and used split wire loom and tape to protect wiring when outside the tube frame.
by:
Ronald
09/24/2026
What can you say, it
by:
Disappointed Customer
08/08/2026
Never received order. Very disappointed at no response to my email inquiry.
by:
Fred D
09/14/2025
Needs some additional RED connectors for the awg-22 wire Toyota uses in their rear lighting system. The Blue Connectors work, but it is too easy for inexperienced DIY users to "over-insert" the factory awg 22 smaller wires and crimp the insulation and miss the stripped copper portion if the wires.
by:
Kevin
03/23/2026
Works as advertised and the install video really helped ease the easy DYI install.
by:
Tim
09/17/2026
Great support
by:
Richard
07/25/2022
2019
Chevrolet
Blazer
Product is very well built and is hidden within the bumper/grille. Installation wasn't too difficult, reinstallation of front bumper requires 2 people.
Pleased with end results.
Pleased with end results.
by:
Duane
08/18/2026
2020
Chevrolet
Colorado
The delivery was spot on and the product was as described
by:
John
01/27/2026
GMC
Yukon XL
Work flawless I installed it on a 2021 Yukon XL and pull it behind a class a motorhome
by:
Larry
07/16/2026
Worked perfectly!
by:
Scott
07/27/2026
2004
Toyota
Echo
thank you.
by:
Jeff
03/21/2026
2019
Ford
Explorer
Hi. Bill. The products are great but you can pretty much get them anywhere. Your company's claim to fame for me is the videos. Right on target even for an old mechanic like me. Keep up the good work and thanks!
by:
David
04/27/2026
It worked as advertised.
by:
David
10/26/2021
2001
Jeep
Cherokee
This is the third time I have order base plates and electrical hook ups from etrailer and love this company. We have a 1979 MCI Bus conversion and it is difficult at time finding things for towing etc for it because of age. Not with etrailer, they have it all. We have towed a 96 S-19 chevy, a 98 Jeep was next and this year we got a 2001 Jeep Cherokee which we got the electrical kit for from etrailer.com and the base plates are still on the way. Everything fits nicely and if you are unsure of how it all goes together just watch their video''s on the etrailer website which are very informational.
Thank You etrailer.com for being there when we need you. See you all down the road....
Thank You etrailer.com for being there when we need you. See you all down the road....
by:
William H.
03/23/2026
worked very well
by:
Tim
04/29/2025
We have used the Roadmaster Wiring Kit for 9000+ miles with our 05 Jeep LJ and have had no problems...
Instalation was not very Difficult...
Instalation was not very Difficult...
by:
Julie W
01/08/2017
1996
Geo
Tracker
This wiring kit worked marvelously. I'm pretty handy but electrical things can still be a bit scary for me. I got a little help from the good etrailer people, watched a bunch of videos and finally looked at the wiring diagram sent with the kit. Wiring diagrams are not always as straight forward as I would like but this kit has a very good one. I have bought a handful of products from etrailer and consider them to be a cut above.
Julie
Julie
Julie W.
1/8/2018
The vehicle that I installed the wiring kit in met a tragic death last summer. The new tow vehicle also needed the same wiring kit. The kit is very complete and the instructions are great. Now, think about this........etrailer contacts customers a year later to follow up on their products. Makes you think they actually care about their customers and the products they buy. Almost unheard of in our times.
by:
Kerry B
07/11/2016
2015
Jeep
Grand Cherokee
This is the 3rd time I've used this wiring harness, I like to trade cars. The first was on a 2008 Pontiac G6 convertible, the 2nd, a 2010 Cadillac SRX, and now, a 2015 Jeep Grand Cherokee Outlander. All 3 were easy to wire and the instructions were VERY helpful! Roadmaster has there stuff together when it comes to RV towing products. And etrailer.com provides great pricing and GREAT support after the sale.
Kerry B.
7/11/2017
Still works great! No problems what so ever.
by:
Skip A.
02/03/2017
You need to be handy and understand how to make your electrical connections secure. Follow the instructions (view the online video, helps) and all will be fine. This installation makes the towing process much easier than hanging lights on the towed vehicle. Install it..........plug it in to the towed vehicle, and the motorhome and you are done with the lights. Good way to go.
Skip A.
2/3/2018
No issues observed. System works great!
25
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David
10/28/2022
Still working very well and didnt even have to pull the bumper off to install it. very strong units. the electrical hookups worked well also and easy to hookup as well. Lights all work well. The brake cable system I had on my previous Jeep I mover to the cherokee but was a real pain to find a good pass through because of all the mechanicals in the Jeep cherokee but good it through finally.