Hayes Endeavor 81770 User Manual

Electronic Brake Controller
Hayes Brake Controller Company P/N 81770
INSTALLATION MANUAL
For trailers with 2-8 electric brakes and vehicles with 12 volt negative ground systems only.
READ AND SAVE THESE INSTRUCTIONS
• Before beginning installation, read and become familiar with these instructions.
• Leave in tow vehicle for future reference.
• IMPROPER INSTALLATION AND OPERATION COULD CAUSE PERSONAL INJURY
AND/OR EQUIPMENT AND PROPERTY DAMAGE.
• Questions on installation, adjustment, trouble shooting, or operation of brake controllers
• Call 800-892-2676 Monday through Friday between 8:00 a.m. and 5 p.m. Eastern Time.
SAFETY INFORMATION
!
!
WARNING: Indicates a potentially hazardous situation that,
if not avoided, could result in death or serious, personal injury.
CAUTION: Indicates a potentially hazardous situation that,
if not avoided, could result in damage to product or property.
TIP: Contains helpful information to facilitate installation.

Hayes Endeavor 81770 Specifications

General

Brand	Hayes
Model	Endeavor 81770
Category	Controller
Language	English

Summary

INSTALLATION MANUAL

Read and Save These Instructions

Instructions to read and save for future reference before installation.

Safety Information

Information regarding warnings, cautions, and tips for safe installation and operation.

Mounting Angle

Controller Mounting & Installation

Details on how to attach the mounting bracket and controller to the vehicle.

Installation Steps

Step-by-step guide for physically installing the controller unit.

Controller Wiring Instructions

Wire Function Chart

Description of each controller wire's function and connection.

Self-Resetting Circuit Breaker Size Chart

Guide for selecting the appropriate circuit breaker size based on trailer brakes.

Special Conditions

Wiring Diagram

Schematic illustrating electrical connections for vehicles without a trailer package.

Appendix

Reference for OEM tow vehicle wiring conversion data.