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This charge line connects to the battery in your RV to allow up to 15 amps to be transferred to your towed vehicle's battery during towing. Requires RM-156-25 be installed in towed car.
Features:
California residents: click here
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Instructor Hi there, Jeep owners. Today, your 2022 Jeep Wrangler Unlimited, we're gonna be taking a look at and showing you how to install Road Masters Charge Line Kit. Now, we are using the charge line kit for motor homes on our Jeep here because the connector for our six-way is so far away from our battery and connections here and all the pathways that we have to take to get there. The regular towed vehicle kit is too short to make the run up to the connector. Now, that may vary depending on your base plate. We're using Road Masters Direct Connect, which positions the connector off towards the driver's side, which makes it further away.
If you had a different one or mounted your own connector further towards the passenger side, you might be okay with the regular vehicle kit. The charge line kit will include the wiring you need to connect to your six-way connector at the front, go to the circuit breaker that you see here, and then go to our battery. This way when we plug into our motor home, we're flat towing down the road, the alternator on our motor home it's just the regular charging system on the motor home will also charge the battery here on our vehicle. And it is just gonna be a trickle charge, but that way it'll just ensure that it's maintained 'cause as you're going on long trips and your breaking system's activating things like that it's gonna drain your battery a little bit. This will ensure that it stays topped up, so when you get to your destination your vehicle's able to start and you can enjoy your fun without having to bust out chargers and find jumper cables and anything else like that.
And now we've covered some of the features of our charge line kit, why don't you follow along with me and we'll show you how to get it hooked up. We'll begin our installation here underneath the hood. In your charge line kit, you'll receive a circuit breaker. We're gonna try to find a location near our battery to mount it. And this is a pretty good spot here.
There's just enough room between your fuse box cover here that you can still get the fuse box cover off and mount the circuit breaker in this location. So, we mounted it right here using the two self-tapping screws that come provided in the kit. You'll notice you have two posts on your circuit breaker here. The bronze post is the battery post and the silver post is your auxiliary or load post. We hook this up kind of backwards in a charge line circuit.
Normally, you'd hook the bronze one to your battery, but in this case, our battery's actually the load 'cause we're trying to charge our battery with our source being the motor home. So, the motor homes charge circuit is gonna connect to the bronze. So, the wiring that comes in your kit, we're gonna route from the bronze stud here up and we go down and then we just go across to where our six-way connector that we're gonna mount here at the front is. And you might be wondering, well, hey, this is a a motor home kit that you're installing. And the reason why we're using a motor home kit in our vehicle instead of a vehicle kit, is because of the distance that the battery is from where our six-way connector. The bracket for our six-way connector comes provided with our base plate and it's got its own mounting location and it's pretty far from here, so the regular vehicle kit doesn't reach from the battery all the way up to there. So, we're using a motor home kit, which honestly is gonna be better for the customer anyway. You get extra wire in there or more than you're gonna need to do this install. It's a thicker gauge wire than comes in the regular vehicle kit. So, that can help give you just a slight bit more voltage here at your battery. From your motor home, there'll be a little bit less of a voltage drop. And with that extra wire you can use it for other things in your install. We ended up using part of that wire for our breaking system install. So, it was nice having some extra wire left over. So, we've got our wire routed now to both connections, to both ends. It just stays bare up at our six-way end and we'll hook it up up there. Back here on our circuit breaker end, you're gonna just crimp on just strip it back and crimp on one of these small ring terminals that come into your kit. And I use the entire wiring harness routed from here down there. I pull my slack through and then I cut it up there at the front, leaving myself a little bit, so I can connect to the connector. The rest of the wiring that I bring back up here, I attach a ring terminal the same small one to the other end of my wire here and then I attach it here to the silver post. This one's gonna go to the battery. I haven't hooked it up yet. I recommend that you cut your length that you're gonna need here to connect your battery. I gave myself a little more excess than I'm gonna need, so I'll trim that down more. But don't hook it up to your battery just yet. This is where you wanna stop hooking it up to the battery and go down to your six-way connector and we'll make our connection down there. Alright. And lastly, we've got our center pin here. Slide our charge line into there and then tighten this one down. So, now that we have all of our connections made, we're gonna use a generous amount of dialectic grease to seal this up and prevent any corrosion. Slide your dust boot into place and then we can mount up our connector. Our connector is gonna mount to using the hardware that came provided with our base plate for mounting it into this bracket here. So, we're just gonna use that hardware, slide it through our connector, through our bracket, and then place the nut on the other side. We'll do the same thing with the other side of our connector here. Alright, now that we've got all those started, we can go ahead and zip those down. And we're just gonna use a 10 millimeter wrench to hold the nut on the backside and our Phillips To snug it down. Alright. Now that we've got hooked up to the six-way connector, we can come back up to our battery. The reason we didn't hook it up, so we don't accidentally cause any shorts. If this isn't a hook to a power source there's no chance we can cause any shorts. So, we've completed the rest of the wiring, so we know that there's no way that there's any loose wires hanging down there that are gonna cause shorts. This hooks up the way it's supposed to be. So, now we're gonna come to our battery here. We'll go ahead and route that wire that's coming from the silver post over to the positive here and just pull back on this. I'm just gonna stick my wire just kind of like underneath here, this little open slot. That looks like a pretty good pretty good amount of wire right there. So then, we're gonna trim off excess that we don't need. And we will strip this wire back. This wire is going to get the slightly larger ring terminal that comes in your kit. This one has a bigger opening compared to these smaller ones for up into your circuit breaker. This one's designed to be able to hook to a battery. So, just slide that guy on there, crimp it down, and then we can make our connection at our battery here. So, just pull back on this, so you can choose whichever post you want. We're gonna use the small one here just because these posts- the ring terminal does fit over these posts. So again, you could go over one of those if you wanted to. And actually I think we will. This looks like this particular stud right here does not have any wiring hook to it. So, it's just a free stud for us to use. So, we'll utilize that for our accessories. So, I just went ahead and took the wire and poked it through the opening there that way it'll stay kind of hidden underneath our cover here. Just poked it through the opening. We'll use a 12 millimeter socket to remove the nut from this location, slide our ring terminal in place, and then reinstall our nut. And then you can just slide your cover back into position and that will complete your charge line installation. And that completes our installation of Road Masters Charge Line Kit on our 2022 Jeep Wrangler Unlimited..
ZERO STARS AND ETRAILER WAS NO HELP
Nowhere does the description tell you the wire length. It will only work in an RV under 25 feet in length. The price is ridiculous for 25 feet of wire and a circuit breaker. They do not even provide sufficient wire shield for the chintzy amount of wire you do get. etrailer offered me the opportunity to buy another kit at full price but I just went to store and got 14 gauge wire for far less. This is one of the rare products that etrailer has that truly sucks, is overpriced, and you can't really return it after trying (and failing) to do a full install. Complete waste of my time and I had to put a splice in the middle of the line to complete the circuit since it was way too short. It you need to buy a charge line for RV and tow vehicle, go buy 100 feet of 14 gauge wire for about 50 bucks, plus a few dollars for circuit breakers and tie wraps. That is all you are getting here for over
$[XX] if you buy the two Roadmaster kits they sell here. AVOID.
Not needed .salesman did not ask what I was putting this on. My motor home was pre wired charge line.
the only reason for the "average" rating is because of the ambiguous instructions that came with the pkg. Installing the circuit breaker within 8" of the dinghy battery while also mounting the circuit breaker next to the motorhome battery seems like two different people were writing the instructions without talking to each other...
Exactly what I needed and got it fast! Etrailer is great!!
Works perfectly
Works as represented.
Kit had what was required
Would have been 5 stars but they don’t include enough wire to get to the back of the RV let alone the towed vehicle
just to let you know the fuse taps that came with the kits for the Evenbrake ICX transmitter and the brake light relay are too large for the fuse panel in my 2015 Kia Soul. I have been able to buy fuse taps that fit the smaller fuse ports so will be okay. It has taken a little study time to understand the wiring for the brake light relay and ICX transmitter. The diagram that comes with the relay kit is just what is needed. The Evenbrake wiring instructions are a little hard to grasp for this old coot, but in the end I think I have it all done correctly.
This is also a part i ordered for my tow behind car in order to charge the battery while pulling the car with the A class motor home on a long trip. The item is just what was described on the internet site. I haven't installed this item yet but it seems to be easily done with the instructions provided. I have ordered from Etrailer many time before and have always recieved great help from customer service and their whole crew. I will continue to do business with them in the future.
Sincerely,
larry Brauer
I installed this kit along with other kits from ETRAILER for towing my Chevy Equinox with 4 wheels on the ground, using my motorhome. The parts are of good quality. I reviewed the instructions and videos many times prior to working on my own vehicle, along with a phone call to the help desk. I recommend having had prior training with electrical wiring systems. This kit provides 12 volts via the motorhome batteries but at a high amperage rating. Be safe and double check your work.
While I generally have high praise for Roadmaster and etrailer products, other than their poor instructions from Roadmaster for the DIY customers, this product is a total rip off. The wire to do my 35 foot RV was easily 10 to 15 feet too short to do it. I had to go purchase separate wire to do the job. The 15 amp 12 volt DC circuit breaker sells for $3.53 online by itself. The connectors and zip ties equate to an additional $1.00 max. So I paid $50 for less than $5 worth of usable kit parts. Shame on Roadmaster and e-trailer for gauging customers on this kit. The same applies to the charge line kit for the towed vehicle. Price gauging on the “fast food soda” after spending over $3000 in other parts for flat towing. For this price they could have easily included a full 50 foot spool of wire to work on any RV. Shameful.
These were exactly what I needed. I changed tow vehicles to a Honda HRV (manual) and the only base plate available was the Roadmaster. These adapters took about 10 minutes to change my Blue Ox tow bar to accept the Roadmaster.
This base plate was relatively easy to install (if you're handy and can follow written & video instructions), and is practically invisible when not being used for towing. Everyone at etrailer were helpful and knew exactly which parts were needed, even a year later when I asked about using the same base plate on a newer vehicle. The picture is just after install on my 2017 C-Max.
The battery charged kit connected on to our motorhome to charge the battery of our jeep has worked excellent and the installation also was an excellent job we are very happy with our installation.
Everything is working as it should and was a pretty easy install
Roadmaster Battery Charge Line Kit for Motorhomes
Item # RM-156-75
Easy install, but suggest that the 12 gauge wire supplied was longer,or had a description as to the length on your website as it was too short for my 30ft MH. I had to purchase additional to complete the job. Otherwise, works like fine, and good price. Thanks, it should save my battery on my Equinox 2018 when towing.
Works great keeping the towed vehicles battery charged.
Contains everything you will need
Ordered 3 parts: RM-156-25; RM-156-75 and DW05745-10. All received very quickly, as is the case when I purchase from etrailer. More importantly, I get a 'live person' when I call for assistance and the service rep. is always knowledgable ( not an answering service that "will have someone call back". Time was spent with me answering all my questions and providing suggestions and opinions when I as for them, related to my project. Great company, great service - keep up the great work!
Works great and allows me to tow with vehicle stability turned on; no more death wobble! Installation instructions were clear and it fit perfectly.
Nice kit as expected, Plenty of hardware and hook-up wire for our 2015 Dodge Dart. Would be nice to include $5 of snap on Red cover in the kit to help protect the hot leads.
Would highly recommend using etrailer for any trailer accessories that are needed. Very friendly staff and shipping is fast and accurate on delivery.
Quality of the product seems fine ..
My issue is the 30 feet of wire included in the kit… Is this supposed to be a length sufficient to wire most RVs? How many 25’ RVs are capable of pulling a tow vehicle?
My RV is 38’ 10”… Because the wire included is worthless I was forced to purchase a 100’ roll (couldn’t find a 50’ roll) for $35.00…! Almost what I paid for the kit…. Bummer..
Excellent customer service I needed some information on my order. I emailed asking for it and got the information within a couple of hours.
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Larry B.
9/20/2020
Working great with no problems great product