Replacement Patch Cord for a Roadmaster BrakeMaster Supplemental Braking System

Question

Question:

I need a roadmaster brake patch cord part # 921004. Do you have it and how much?

asked by: Roger G

0

Expert Reply:

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.

expert reply by: Michael H

0

Answer 1

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 2

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 3

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 4

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 5

For your Roadmaster BrakeMaster System w BrakeAway for RVs w Air or Air Over Hydraulic Brakes #RM-9160, I recommend swapping out the vehicle side connector with #RM-921004-50, and then the connecting hose should work as normal with #RM-450710 on one…

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Answer 6

Hey David, congratulations on the new truck! Yes, the Roadmaster Direct-Connect Base Plate Kit #RM45EQ is compatible with your Roadmaster Nighthawk #RM-676. As long as you have everything from the kit the Roadmaster Universal Hy-Power Diode Wiring…

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Answer 7

I can help you understand the reason there is different information on our website. Special trailer tires have a maximum speed rating, just like passenger car and truck tires. Older tires have no special marking to designate a limit. Their maximum…

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Answer 8

Hello Bill, thanks for reaching out. Yes, the Replacement Reed Switch #DM65MV will indeed work with the Demco Air Force One Flat Tow Brake System for 2020 and Newer Tiffin Chassis RVs w/Factory Air Brakes #DM55MV. I have heard of the reed switch…

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Answer 9

To determine if your motorhome has the Tiffin air brake setup or Freightliner BrakeSync you'll need to look at the rear and see if there's an quick disconnect fitting for your air line. The standard Tiffin air coupler fitting would look like…

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Answer 10

Hey Tim, Those are both great choices for getting your Cherokee flat tow-ready, however you'll also need a few more components to complete your setup. If you go with the Blue Ox Avail Tow Bar #BX7420 then you'll want to go with the Blue Ox…

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Answer 11

The instructions for the Demco SBS Air Force One Conversion kit #SM99233 you'd need to use would be the instructions for the Air Force One part #SM99243. You just need to use the motorhome side of the instructions. The instructions are linked to…

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Replacement Patch Cord for a Roadmaster BrakeMaster Supplemental Braking System

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