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Recommended Flat Towing Set Up for a 2024 Buick Encore GX  

Question:

Will the Roadmaster Battery disconnect for a 2022 Buick Encore GX listed on your webpage work on a 2024 Encore GX Avenir AWD? Thanks for your help

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Expert Reply:

Yes, it will. The Roadmaster Battery Disconnect with Switch for Towed Vehicle w/ Flat Tow Brake System item # RM-766 is not only compatible with your 2024 Buick Encore GX but it is recommended to be used by Roadmaster. This a great part that makes disconnecting and reconnecting your battery extremely simple.

Here are some other parts you will need to flat tow your 2024 Buick Encore GX:

Tow Bar and Safety Chains - Blue Ox Alpha 2 Non-Binding Tow Bar 2" Hitch - 6,500 lbs item # BX7380

Base Plate Kit - Blue Ox Direct-Connect Base Plate Kit - Removable Arms item # BLU84UR

Wiring Harness - Demco 4-Diode Universal Wiring Kit w/ 7-Wire to 6-Wire Coiled Connector item # DM9523010-54

Supplemental Braking System - SMI Stay-IN-Play DUO Supplemental Braking System item # SM99251 or item # SM99243 if your motorhome has air brakes.

High Low Adapter - The tow bar needs to be within 3" of level. If you measure the height of the inside top of the hitch receiver tube on your RV, and the height difference is more than 3 inches above/below the base plate tab height, you'll need a high/low adapter. I have linked a FAQ article that explains all this in more detail along with our selection of adapters.

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Jerred H
Paul R. profile picture

Paul R.

6/5/2024

2024 Buick Encore GX owner’s manual requires that "negative battery terminal" be disconnected. The negative terminal configuration is not normal. There is a bracket attached to the terminal that (a) connects the negative ground to the chassis and (b) connects another "wire to something else". Should the negative ground (a) be disconnected from the terminal bracket leaving the "other wire to something else” connected or should the bracket on the terminal be disconnected causing both the ground (a) and "other wire to something else” (b) to be disconnected?

JerredH profile picture
Etrailer Expert

Jerred H.

6/6/2024

@PaulR I think a look at your owner's manual and you will just want to disconnect the negative cable and leave the other wires connected.
Kevin C. profile picture

Kevin C.

8/16/2024

The shop that hooked up my 2024 Buick Encore GX said the 4 diode kit would not work on the 20204 model because of the computer control of the taillights. So I was stuck with the Demco rear window taillight with a suction cup, which really sucks! (pun intended). I checked with a different shop and he said this is common on 2024 models. You show the Demco diode kit as fitting my car and the Roadmaster as not confirmed to fit. Do you have a confirmed diode install on a 2024 car that worked?

JerredH profile picture
Etrailer Expert

Jerred H.

8/18/2024

@KevinC Thanks for that information Kevin. I'll check that out with Demco tomorrow. I am sorry though we do not list any other diode kits for the 2024 Encore GX. Blue Ox would be the only other option and they don't list anything either.
KeithW profile picture

Keith W.

8/23/2024

@KevinC Just had a 4 diode kit (Blue Ox BX 8848) installed on 24 Encore GX AWD and the lights (brake, left and right turn, hazard, headlights) work fine so far. The taillights are split between the tailgate and body of car, and they only wired the outside part of the lights to work, not perfect but functional. I was also worried about the Mercedes CAN bus system effects on the lights (may not be your case) but did not have to use the C57003 adapter that some recommended. All power was wired from the RV pin since Buick tells us to disconnect the (-) battery.
KevinC profile picture

Kevin C.

8/23/2024

@KeithW I read on another forum that someone measured the voltage at the taillight and found that the running lights were 5 volt and the brake lights were 12 volts. This would make hooking up the RV's 12 volt system a problem.

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