Curt Manufacturing DISCOVERY User Manual

PAGE 1
For use with 12 volt negative ground systems only
For trailers with two to eight brakes
Read, follow and save this guide for future reference
DISCOVERY
DISCOVERY BRAKE CONTROL
INSTALLATION AND USER GUIDE
51120-INS-R1 •

Curt Manufacturing DISCOVERY Specifications

General

Category	Automobile Accessories
Brand	Curt Manufacturing
Product Name	DISCOVERY
Material	Steel
Hitch Class	Class 3
Hitch Ball Size	2 inches
Finish	Black powder-coated
Receiver Tube Size	2 inches

Summary

Controls and Components

Display

Shows output setting when control is activated. Used for setup and troubleshooting.

Sync adjustment

Adjusts trailer brake aggressiveness. Display changes to sync mode.

Output adjustment thumb wheel

Sets the maximum amount of power available to trailer brakes.

Manual control lever

Activates trailer brakes manually for slow speed reduction.

Quick plug connector

Connects the brake control unit to the vehicle's wiring harness.

Output Control

Sync Control

Manual Control

Digital Display

Mounting the Brake Control

Wiring

WIRING DIAGRAM

Setup

Test Drive

Helpful Tips

Bench Test Instructions

Bench Test Wiring

Illustrates the electrical connections required for bench testing the brake control unit.

Test Standby Condition

Test Brake Pedal Activation

Test Manual Activation

Troubleshooting Guide (test without trailer first)

No Trailer Connected

Identifies probable causes and solutions for issues when no trailer is attached.

Trailer Connected

Identifies probable causes and solutions for issues when a trailer is attached.