Wiring For 2020 Ram 1500 To be Flat Towed Behind RV

Question

Question:

I need wiring for my blue ox tow bar for lights to flat tow 2020 ram 1500. What is your suggestion? I am pretty sure I have all of the other parts I need. I know my base plate and tow bar are compatible. i have safety cables. Do i need a relay?

asked by: betty

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Expert Reply:

I recommend the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit part # RM-15267 to flat tow the 2020 Ram 1500. The diode kit will allow your Ram's lights to illuminate in conjunction with the motor home's lights. The kit comes with a 6-way plug for the front of the Ram and a coiled cord to plug to connect the truck's plug with 7-Way on the motor home so it's a nice clean install instead of having hanging wires. I have attached a helpful installation video on a 2019 Ram for your reference. (The install will be the same on the 2020).

It sounds like you have a good start on the parts that you need to flat tow since you already have the base plate and tow bar with safety cables. You will need the above mentioned tow bar wiring, a supplemental braking system and a possibly a high low adapter.

The 2020 Ram 1500 does not require a brake light relay to use a supplemental braking system. For braking system, I highly recommend the Stay-IN-Play DUO supplemental braking system part # SM99251. The Stay-IN-Play is designed with a small actuating cylinder that depresses the brake pedal when activated by the main unit under the hood that is connected the motor home's brake signal. The best thing about the Stay-IN-Play it is a low maintenance install it and forget it system compared to the recurring systems that need to be removed from the vehicle's floorboard every time you want to drive the truck.

If your motor home brakes happen to be air brakes, I recommend the SMI Air Force One Supplemental Braking System for Motor Homes with Air Brakes part # SM99243 which is the same setup but for air brakes.

Finally you may need a high low adapter to tow the vehicle level with the motor home. In order to know how much rise or drop it will require to tow level some measuring is required. I have attached a helpful article that helps you figure out which high low adapter may be needed and our selection of high low adapters.

expert reply by: Heather A

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Answer 1

Yes, I pulled up the owners manual for your 2019 Ram 1500 and since it is a 4x4 it is flat towable. The procedure listed there says to put the transmission in PARK, put the transfer case in NEUTRAL, and tow only in the forward direction. The 2WD…

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Answer 2

For your 2020 Ram 1500 I really like the Roadmaster Diode Flexo-Coil Wiring Kit #RM-15267, which includes everything you need to wire up the truck so that its tail lights accept the signal lights from the RV during travel. You will use it to tap into…

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Answer 3

We have several replacement parts that are compatible with the Roadmaster Brakemaster Systems, like #RM-9160. If you look in the parts break down in the included instructions link, you can see the parts in the Brakemaster system. The RM-9160 did not…

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Answer 4

I spoke with my contact at Roadmaster about helping you get the part #RM-450601-50 installed properly. Here was their response: Simply orient the Quick Exhaust Valve just like in the pictures, with the acorn top as the inlet and the bottom side port…

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Answer 5

I think what you are looking for is the RoadMaster BreakAway kit, part #RM-98160. This kit was originally designed to be used for a second vehicle so all you have to do is move the cylinder and brackets. Since you have the bracket and cylinder, and…

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Answer 6

We do have one, #RM-921004-88. This is the one that is listed in the manual as optional because it is longer but you can still use it in place of the original. Current pricing can be viewed by clicking on the link to the product.

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Answer 7

I spoke with my contact at Roadmaster and sent him the picture you submitted and he said you would need the part #RM-450601-50 and the part #RM-450045

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Answer 8

I have attached a link to the installation instructions for the RoadMaster Autowlok Repair Kit, part #RM-910003-50 you can check out. We do not have a video for this kit but the instructions have some great diagrams and photos that should make the…

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Answer 9

The first thing you should do is check the bar with a straight-edge to determine if it is bent. If you determine that it is straight you will need to disassemble it and clean it. There is a nut on the forward end by the pivots, and a keeper assembly…

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Answer 10

The Complete Repair Kit for Roadmaster Sterling Tow Bar #RM-910003-30 contains (4) Rubber caps (2) Locking springs (2) Retaining rings (2) Shoulder bolts (2) Nylock nuts (14) 1-1/2" Diameter acetyl washers (1) 3/4" Jam nut (4) 3/4"…

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Answer 11

The Sterling tow bar arms should move a little but 1-1/2 inches seems excessive. This would indicate some possible excessive wear or damaged parts that will need to be addressed. We have some repair parts for both the Sterling and Sterling…

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Answer 12

The Trailer Leaf Spring, 2250 lbs. 6 Leaf, item #e27SR, is sold as a replacement spring for older trailers and measures 26 inches for eye to eye, center to center. If you are replacing the springs and hangers you will need to use the same center to…

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