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CURT51170 Spectrum Original Equipment Style, Integrated Electric Trailer Brake Controller, Proportional

CURT51170 Spectrum Original Equipment Style, Integrated Electric Trailer Brake Controller, Proportional

Q: Can you press the button and force the brakes on?

Yes. This is required in the event the trailer swaying or jackknifing out of control. The theory is you push the button and it pulls back on your rig this straightening it out to regain control. Not sure we would be quick to remove our hands from the wheel but DOT prefers that the trailer can be controlled separately. This requires the control in an unobstructed location.

Q: Is it dimmable? Also do the lights on it come on if there is no trailer hooked up?

Yes, the lights on the controller are dimmable, but at the lowest setting they’re still pretty bright. It does flash green lights when you first start up and that lets you know you’re not connected to a trailer. When you brake without a trailer connected, it has a blue light that will come on. Still fairly bright. I put a layer of “Sharpie” over the lights to dim them somewhat more as I mounted my controller where I can see it easily and adjust it if need be. Seems to work well.

Q: Is it compatible with curt 55567 vehicle-side custom 4-pin trailer wiring harness for select mazda 3, 6, toyota camry, fj cruiser ?

The 51170 is a trailer brake controller while the 55567 is a 4 pin connector for trailer lights only (not brakes). If you have trailer brakes you need a different wiring set up than the 4-pin harness. If you don't have trailer brakes you don't need the 51170 controller

Product ID: 412533084

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Details

Material
Acrylonitrile
Brand
CURT
Colour
Black
Product dimensions
7.6L x 9.5W
Exterior finish
Painted

🔧Fully adjustable manual override

🧠Triple-axis accelerometer tech

🎛️Factory-style dash integration

Description

🎯 Master your tow with precision and style.

HIDDEN POWER MODULE - Keeps the main computer discreetly out of sight while delivering robust brake control.
INSTANT MANUAL OVERRIDE - Quick push-button control lets you take charge whenever you need precise braking.
EFFORTLESS CUSTOMIZATION - Easily fine-tune settings to match your trailer, load, and driving style with a simple knob.
SEAMLESS DASH INTEGRATION - Blends perfectly with your vehicle’s factory controls for a sleek, professional look.
SMART BRAKING INTELLIGENCE - Triple-axis accelerometer adapts braking power dynamically on any terrain, including hills.

The CURT 51170 Spectrum is a proportional electric trailer brake controller designed for professional-grade integration and intelligent braking. Featuring a factory-style dash knob and a hidden main module, it uses a triple-axis accelerometer to deliver adaptive braking power on varied terrains. Fully adjustable with manual override, it ensures optimal control for diverse trailers and loads without cluttering your vehicle’s interior.

Specifications

Manufacturer	CURT
Part Number	51170
Product Dimensions	17.78 x 9.53 x 6.35 cm; 294.84 g
Item model number	51170
Colour	Black
Finish	Painted
Material	Acrylonitrile Butadiene Styrene (ABS)
Item Package Quantity	1
Number of Pieces	1
Handle material	Stainless Steel
Special Features	Adjustable
Usage	vehicle
Included Components	Great Product
Batteries included?	No
Batteries Required?	No
Item Weight	295 g

Have a Question? See What Others Asked

Can you press the button and force the brakes on?

Is it dimmable? Also do the lights on it come on if there is no trailer hooked up?

How long is the cable from the control knob to the module

Is it compatible with curt 55567 vehicle-side custom 4-pin trailer wiring harness for select mazda 3, 6, toyota camry, fj cruiser ?

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Customer service was outstanding when I had questions about the product.

2 days ago

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