Owner manual

INSTALLATION GUIDE

Wiring—Four Wheel Drive

Version 4 Proportional Air Brake Installation Guide

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WIRING—FOUR WHEEL DRIVE

This section provides instructions for wiring the electronic pressure regulator (EPR)

and Breakout board for four wheel drive applications.

WIRING THE EPR

Attach the four wires from the EPR cable to the new EPR.

Figure 8: Four Wheel Drive—Wiring the EPR

• Orange wire connects to V+ • White wire connects to SIG

• Blue and green wire connects to CMN

air input

air output

muffler

CMN

SIG

V+

EPR cable

white

blue and

green

orange