How to Power Demco Wireless Coachlink Braking Monitor in RV Without 12V Outlet

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Question:

Is there other options to power the Coachlink SM99945 monitor other than 12 volt plug? My RV doesnt have the 12 volt power plug. It has HDMI outlets only on the dash.

asked by: Randy C

0

Expert Reply:

You will have to use a 12V outlet to power the Demco Wireless Coachlink Braking Monitor # SM99945. Since you don't already have one you can add it using the 12 Volt Outlet Kit, 20 amps # RM-9332.

expert reply by: Robin H

0

Answer 1

The only thing I can think of that could cause an issue like this is that you have indicator light wired incorrectly to something that has power when not connected to the motorhome. In the typical setup you would connect the power for the indicator…

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Answer 2

Hey Robert, whether or not you need the Brake Lite Relay part #RM-88400 is going to be based on the supplemental braking system you are using and the taillight setup of your 21 Wrangler Unlimited. If your supplemental braking system depresses the…

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Answer 3

To wire in the Coachlink transmitter from the Demco Stay-IN-Play DUO Supplemental Braking System #DM86VR you'll connect the red wire from the transmitter to the cold side of the brake light switch, which would be a white/brown wire for your…

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Answer 4

For your 2021 Jeep Wrangler, you actually can not splice into the brake wire. For this reason, you will want to use the Roadmaster Stop Light Switch Kit #RM-751490 instead. This kit will connect to an inline fuse to your vehicles positive terminal on…

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Answer 5

I was able to verify with Demco the red wire on the Coachlink #SM99945 for the Demco Stay-IN-Play #DM86VR is positive and the black is negative.

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Answer 6

The OEM brake switch on your 2024 Jeep Wrangler is actually not usable for this purpose. You will instead need to use the Roadmaster Universal Stop Light Switch Kit #RM-751000. This will tap into the towed cars brake switch and allow the Invisibrake…

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Answer 7

Normally you can find the brake light switch under the dashboard at the top of the brake pedal. There could be a number of wires attached to the switch so you can use a tester like part #PTW2993 to test the wires. Since the auto manufacturers can use…

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Answer 8

In your 2017 Jeep Cherokee Latitude, I unfortunately can't tell you which wire is the correct color for your brake controller, but I can tell you how to determine that. You will need to use a circuit tester like #PTW2993 and test each wire coming…

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Answer 9

For your 2018 Jeep Wrangler Unlimited Sahara JL flat tow wiring, you will need the Roadmaster Stop Light Switch Kit #RM-751490 which will communicate with your motorhome's brake monitoring system that your Jeep brakes are being applied. This is…

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Answer 10

When it comes to choosing between the Blue Ox Patriot #BLU37TR and the Brake Buddy Select 3 #HM39524, these systems are extremely similar in their setup and functionality. Both of these systems provide proportional braking in a compact and easy to…

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Answer 11

There are a few differences between the Demco Demco Stay-IN-Play DUO Supplemental Braking System w/ Wireless Coachlink Monitor #DM86VR and the Roadmaster InvisiBrake Supplemental Braking System #RM-8700. The biggest difference between the two is…

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Answer 12

Both the Roadmaster and Blue Ox tow bars are great options. But if it was my decision to make I would go with the Blue Ox Avail part #BX7420 as we have found that the Blue Ox tow bars are a little easier to connect and disconnect from. Also this tow…

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How to Power Demco Wireless Coachlink Braking Monitor in RV Without 12V Outlet

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