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Brake Controller for 2020 Newmar Ventana  

Updated 01/08/2026 | Published 01/03/2026

Question:

Hi Experts, What’s your opinion for using this on my 2020 Newmar Ventana with a Spartan Chassis? I’m looking at purchasing a n Aluma tandem axle car hauler with 7000 GVW and electric brakes. Really like the idea of no below dash mounted controller to hit my knee on. Thanks for comments Jim

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Expert Reply:

Hi Jim! The Redarc Tow-Pro Liberty Brake Controller is my favorite brake controller so I think that is a great choice. It is simple, reliable, and as you noted, won't be in the way and will save your knee.

However, the version you looked at comes with a wiring harness for the Toyota Tundra. Since there is no custom wiring harness for your 2020 Newmar Ventana you need the # RED52VR. This comes with the universal wiring harness for installation.

Any big trips coming up with your motorhome?

expert reply by:
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Robin H
Tow-Pro Liberty Control Knob
Tow-Pro Liberty Control Knob
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Jim D. profile picture

Jim D.

1/8/2026

Thanks Robin. Ordered as you suggested. Although the product listing shows the connector with raw wires, I assume for the cost it has the same connector as my motor home. That one is a 6 wire plug but with only the 4 (in the same colors) as the controller.

Robin H. profile picture
Etrailer Expert

Robin H.

1/8/2026

@JimD the universal wiring harness will be a splice in so if you have some kind of brake controller port you won't be using the actual connector. I'm not aware of a custom wiring harness that fits a Spartan chassis connector if you have one. Pretty much all brake controllers have the same 4-wire connection where red is the stoplight switch, white is ground, blue is the brake output wire, and black is 12V power.

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