cermep auto Electronic Proportional Brake Controller 90885 — 1–4 Axle, LED Display & Manual Override

The cermep auto 90885 is an electronic proportional trailer brake controller that automatically matches trailer braking to your vehicle’s deceleration for smoother, safer stops.

Designed for drivers who tow single- or multi-axle trailers, the 90885 blends an internal inertia sensor with a digital interface and manual override to deliver controlled, predictable braking. It supports a wide range of vehicles including Ford, GM, Chevy, Dodge, RAM, Toyota and Jeep, and works with 1–4 axle trailers. Note that vehicle-specific plug-and-play harnesses are not included; universal hardwiring or an approved harness is required for installation.

How does the 90885 create smoother stops?

The controller senses your vehicle’s rate of deceleration and proportionally applies the trailer brakes, avoiding abrupt or delayed responses. This proportional approach mirrors natural stopping behavior for improved stability while towing.

• Internal inertia sensor measures deceleration in real time
• Proportional output reduces trailer sway and jarring stops
• Multi-level boost adds extra braking force for heavy loads
• Manual override slider for immediate, driver-controlled braking

Will it fit my truck and trailer setup?

The 90885 is built as a universal electronic controller compatible with most light-duty and heavy-duty trucks and trailers that use electric drum brakes. It lists direct compatibility with major manufacturers and supports trailers with 2, 4, 6, or 8 brakes (1–4 axles).

• Works with Ford, GM, Chevy, Dodge, RAM, Toyota, Jeep vehicles
• Supports 1–4 axle electric-brake trailers (2–8 brakes)
• Can be hardwired or used with manufacturer harnesses (harness not included)
• Matches performance expectations of Proportional models like Tekonsha Prodigy P2

What controls and protections are built in?

The controller combines easy-to-read diagnostics with circuit safeguards to protect both unit and vehicle wiring. Its LED display shows settings and output voltage while built-in protection defends against short circuits and voltage spikes.

• Digital LED display for real-time voltage and setting feedback
• Manual override slider for instant braking when needed
• Advanced circuit protection to prevent electrical damage
• Durable housing built for daily towing environments

How simple is installation and support?

Installation can be straightforward with the correct harness or basic hardwiring skills, and the unit’s mounting footprint is designed for in-cab placement. cermep auto backs the 90885 with lifetime after-sales support, including warranty and return assistance for peace of mind.

• Mounts inside the cab near driver controls
• Requires vehicle wiring or a compatible plug-in harness (not included)
• Lifetime after-sales support and warranty services available
• Clear diagnostics simplify setup and troubleshooting

Who is this for? The cermep auto 90885 suits owners who tow regularly—campers, boaters, landscapers, and tradespeople—anyone seeking a proportional brake controller that improves trailer stability and braking predictability. If you tow varying loads and need both automatic proportional control and a manual brake override, this controller provides a compact, protected solution that aligns with widely used Proportional systems.