DODGE RAM 4WD VEHICLES - APPLICATION
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PN#C18056
APPLICATION:
DODGE RAM 4WD VEHICLES
Pacbrake’s 4WD 2 Wheel Low Kit allows the vehicle operator to engage the
transfer case into 4WD low range without engaging the front wheel drive,
allowing the vehicle to maneuver a trailer into a tight area without the wheel
hop associated with 4 wheel drive operation.The market leader because...
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In a standardized test; we will exceed or match any engine power.
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PACBRAKE’s contacting surfaces are precision ma-
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Important Note
Every effort has been made to ensure that this
manual is as complete and comprehensive as
possible.
However, as changes and updates do occur, we
recommend checking our website for the most up-
to-date manuals and information.
PG. 14WD 2 Wheel Low Kit - Dodge Ram 4WD
Getting Started
Thank you and congratulations on your purchase of Pacbrake’s 4WD 2 Wheel Low Kit.
Before starting, check that the kit contains
1 everything shown in the photo.
2 Install the solenoid assembly on the air intake horn
as shown using an existing capscrew.
If there is a previously installed assembly for your
exhaust brake located on the rear capscrew, it is
permissible to install this assembly on the opposite
side capscrew.
I N S TA L L AT I O N M A N U A L - L 2 0 3 3 PG. 14WD 2 Wheel Low Kit - Dodge Ram 4WD
3 Locate transfer case vacuum lines adjacent to
transmission above starter on driver’s side of
vehicle (green line = vacuum vent / white line =
vacuum source)
4 Locate the main vacuum source. This connection
varies between model years. Follow the WHITE
line beside the starter up to the firewall cowl to
locate the main vacuum source.
5 Remove the existing feed line connected to the
main vacuum source. using one of the short hoses
and a 3/16" x 3/16" barbed coupler (supplied), connect
the main vacuum feed (white line) to port #2 of the
solenoid valve.
I N S TA L L AT I O N M A N U A L - L 2 0 3 3 PG. 24WD 2 Wheel Low Kit - Dodge Ram 4WD
4 Wheel Drive
Vacuum Control System
B E F O R E K I T I N S TA L L E D A F T E R K I T I N S TA L L E D
Main Vacuum Main Vacuum
Source Source
Vent
Filter 1 4
White Air Vent
3 2
Filter Pacbrake
Solenoid
Check White
Valve
Indicator
Switch Green
Check
Indicator Valve
Green Switch
Control
Switch on
Transfer Case
Control
Switch on
Transfer Case
Axle Shift Motor
Axle Shift Motor
6 Using the other short line supplied connect vacu-
um source line to port #1 at the solenoid valve.
Using the short hose with breather vent installed,
7 connect to port #3 of the solenoid valve. Route this
breather to a location free from water and dirt.
Connect the long hose supplied to port #4, and
8 route the other end to the breather from the exist-
ing green line. Use the 3/16" x 3/16" barbed coupler
supplied. Insert one side into the rubber 90º hose
end, connect the other side to the hose from port
#4. Secure all hoses with the tie-straps provided.
I N S TA L L AT I O N M A N U A L - L 2 0 3 3 PG. 34WD 2 Wheel Low Kit - Dodge Ram 4WD
Dash Switch and Wiring Installation
9 Consult with the vehicle owner for their prefer-
ence on the location of the ON/OFF switch. Drill a
/ " hole to accommodate the switch. Connect the
1 2
wires to the dash switch (as shown in the sche-
matic at step 10) and install the switch.
10 Locate a 12 volt ignition power source with a 14
to 16 gage wire diameter and connect the “T” tap
Connect
to good Black
Low Range
chassis
ground On/Off switch LOW RANGE
terminal. Insert the male terminal of the RED wire
into the “T” tap. Connect the black to a good chas- 10 amp fuse
Red
Ignition
sis ground. Power Source
OFF
Route the yellow wire of the harness through the
Yellow
firewall boot into the engine compartment. Recover
this wire and route it and connect to the solenoid.
Secure with tie-straps provided. Vacuum source
at firewall 1 4 Vent line for hub valve
Vent line 3 2 Vacuum feed line to hub valve
Pacbrake
Solenoid
Check Operation Important!
Start the vehicle, engage the transfer case into When the low range system is engaged the 4WD
4-low and slowly start moving the vehicle forward light will NOT be on in the dash panel, only the
turning the wheel hard in one direction. The 4WD RED light in the low range dash switch will be on.
light should come on and you should feel the front Remember to disengage both the 4WD 2 Wheel
end hop as normal. Low switch and the 4WD switch or lever to 2WD
To Intake In
Stop the vehicle, turn the front wheels straight and before driving away. This system is designed for Manifold
engage the 4WD 2 Wheel Low switch, the light low speed maneuvering when high torque is nec-
should come on in the dash switch. Wait until the essary only.
4WD light on the dash goes out, this indicates
2WD. Now slowly start moving the vehicle forward
turning the wheel hard in one direction. You should
not feel front wheel hop as before.
I N S TA L L AT I O N M A N U A L - L 2 0 3 3 PG. 4Pacbrake’s 4WD 2 Wheel Low & Performance Override Switch kits are sold with the following warranty: These Pacbrake kits are warranted to be free of defects in construction and operation under normal use and service for the Warranty Coverage periods set forth below. THERE ARE NO REPRESENTATIONS OR WARRANTIES WHICH EXTEND BEYOND THE TERMS HEREOF: Warranty Coverage: The Warranty for the Pacbrake 4WD 2 Wheel Low and Performance Override Switch kits is 6 months. Under this warranty our factory is obligated to replace, without charge, any part returned to us which our examination discloses to our satisfaction to have been defective within the Warranty Coverage period measured from the date of delivery of the product in question to the original user. This warranty will not apply to any part or parts which have been altered or repaired outside of our factory nor to the parts which have been subjected to misuse, abuse, neglect, or accident, nor to parts which have been improperly ap- plied or installed. Improper installation or application, or substitution of parts not manufactured or approved by us, shall void this warranty. This warranty will not extend to any product/parts other than the Pacbrake supplied items. If the product should become defective within the Warranty Coverage period, an authorized Pacbrake distributor should be notified. If any of the Pacbrake distributors are unable to correct your problem or if you have any questions regarding this warranty, write to the following address giving full details of your problem including the Model and Serial Numbers of the product involved. Pacbrake 19594 – 96th Avenue Surrey, B.C., CANADA V4N-4C3 P.O. Box 1822, Blaine, Washington 98231 SOLE LIABILITY AND YOUR EXCLUSIVE REMEDY IS LIMITED TO THE OBLIGATIONS SET FORTH HEREIN, AND PACBRAKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES Pacbrake Company toll-free: 800-663-0096 phone: 604-882-0183 fax: 604-882-9278 e-mail: info@pacbrake.com Internet: www.pacbrake.com Canada: 19594 96 Ave. Surrey BC V4N 4C3 USA: 250 H St. Box 1822 Blaine WA 98231-1822 Pacbrake exhaust brakes are protected by law. U.S. patents 5,445,248. Patents pending. Pacbrake and Direct Mount are registered trademarks of Pacbrake Company. Other trademarks used herein are property of their respective holders. Printed in Canada L2033.070503
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