Pacbrake Inline Mount, Installation Manual

INLINE MOUNT Exhaust Brakes

I N S T A L L A T I O N   M A N U A L  

-   L 2 0 3 1

P G .   1 2

N A V P A C   E X H A U S T   B R A K E   W I R I N G   S C H E M A T I C

INTERNATIONAL 444E NAVPAK SYSTEMS

For vehicles: (WITHOUT) Allison WT Transmission (WITHOUT) ABS Braking (WITHOUT) On-board air supply

Pacbrake

On/Off switch

30

87

87A

85

86

94 GC 

Connector 377

Pin

A

Pin

E

NavPak

ECM

Pin 15

Pin 47

10 amp

Ignition

power 

Connector

372

Red

Red

Black

Pin

B

Pin

A

OFF

Exhaust

brake

Pacbrake exhaust brake relay

24A GY

24 GY

24B GY 

Pacbrake

air

compressor

Red

Ground

Relay

Air Intake

Filter

87

30

87a

85

86

20 Amp

Fuse

Connect to

positive battery

terminal

NOTE:

• Pacbrake wiring kit contains toggle type switch, source Navistar rocker switch part number 1677051-C1 if desired.
• The NavPak ECM requires exhaust brake circuit to be enabled by a Navistar Dealer.
• Relay shown is de-energized.
• Connector 372 located behind the left cylinder head. Remove protective cap and connect to Pacbrake harness (supplied).
• 8 Pin connector 377 located behind fuse panel.
• Information for this schematic was derived from vehicle systems at the date of this printing. 
• Updates or variations by vehicle manufacturers constituting changes will not be the responsibility of Pacbrake.
• Pacbrake harness supplied in dotted area. 
• Navistar installed wires in circled area.