Do I Need to Use the Roadmaster Brake-Lite Relay # 88400 on My 2021 Jeep Wrangler?

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Question:

Do I need to use the Roadmaster Brake-Lite Relay # 88400 for my 2021 Jeep Wrangler with push button start?

asked by: Steven

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Expert Reply:

The Roadmaster Brake-Lite Relay # 88400 that you referenced actually isn't needed for your 2021 Jeep Wrangler with the push button start. In order to ensure proper operation of the signal lights and braking system you instead need the Stop Light Switch Kit # RM-751490.

I have attached an installation video of the switch to walk you through the installation process.

expert reply by: Bob C

0

Answer 1

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 2

In order to determine whether you need the Roadmaster Brake-Lite Relay #RM-88400 when flat-towing your 2021 Jeep Wrangler with push-button start, it really depends on your towing setup. In order to confirm whether you do need the relay, consider…

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Answer 3

For your 2019 Jeep Wrangler Unlimited JL Rubicon to use the Roadmaster Even Brake Portable Supplemental Braking System - Proportional #RM-9400 you will need the 12 Volt Outlet Kit- 20 amps #RM-9332 to get the power needed for the system. I do…

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Answer 4

Hey Patrick, so I took a peek and what we have for you and I was able to find the Hopkins Custom Tail Light Wiring Kit for Towed Vehicles #HM39VR which is a custom fitting harness that plugs into your existing wiring without splicing. As far as the…

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Answer 5

Hey Bonnie! There's no reason you couldn't install and use the Roadmaster Battery Charge Line Kit #RM-156-25 on your '22 Jeep Wrangler JL. It's not going to have any effect on the Jeep's electrical system. Now with that being…

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Answer 6

Hey Bill, yes the Hopkins custom fit tow bar lighting kit #HM39VR is a confirmed fit for your 2019 Jeep Wrangler Unlimited.

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Answer 7

It sure does Troy. I checked with Roadmaster and you will need to use the Roadmaster Brake-Lite Relay Kit for Towed Vehicles item #RM-88400 when flat towing a Rubicon model of a 2020 Jeep Wrangler Unlimited. It looks like you've done a couple…

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Answer 8

Since the brake lights of your 2021 Jeep Gladiator come on your when the engine is off, and because your Jeep has a combined lighting system - where the brake lights act as both the brake signals and the turn signals - you will in fact need a relay:…

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Answer 9

For lighting for your 2021 Jeep Wrangler Unlimited you are going to want to go with a diode kit like the part #RM-15247 as there isn't a kit that installs into the vehicle taillight harness connections. From our research on your vehicle there…

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Answer 10

The stop light switch #RM-751490 you referenced is just for signaling you when the brake is being depressed because the brake light switch wire is either too small a gauge (i.e too weak) to splice into to send the braking signal. The Roadmaster…

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Answer 11

To determine if you need the Roadmaster Brake Lite Relay part #RM-88400 you'll need to first put your 2020 Jeep Wrangler in ignition position that it needs to be in when towing (check owners manual) and then check to see if the brake lights of…

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Answer 12

Hello again Bob; you are correct, you do not need the #RM-88400. Parts like this relay kit are pretty vehicle specific and not part of the flat tow setup for your 2021 Rubicon. What you do need is a wiring kit so your Jeep signal lights work together…

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Do I Need to Use the Roadmaster Brake-Lite Relay # 88400 on My 2021 Jeep Wrangler?

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