Lipper Sway Command 1.5 Installation instructions

lippert.com 432-LIPPERT (432-547-7378) CCD-0003928 Rev: 08.27.21

Sway Command®1.5

(AU) BY TRAILAIR

Installation and Owner’s Manual

(For Aftermarket Applications)

Table of Contents

Introduction ..............................................2

Causes of Sway .........................................2

Parts List..................................................2

Resources Required .....................................2

Installation................................................3

Mounting Controller......................................3

Sway Command Wiring ..................................4

Sway Command Light Pod Mounting ....................5

Sway Command Compatible Tow Vehicle Brake

Control Modules..........................................6

Prior to Operation ........................................6

Sway Command Controller Operation ..................7

Light Codes and Troubleshooting ......................7

Notes ......................................................8

The use of Sway Command®is

only supported/allowed for use

on caravans meeting product

specications and caravans with

approved brake control modules

(BCMs) and integrated caravan

brake control modules (ICBCMs).

See caravan requirements and

approved BCM and ICBCM Lists

at: www.lippert.com/sway-command

• The Sway Command system installed on this caravan may be

incompatible with certain manufacturers’ brake controllers.

• Please refer to the website www.lippert.com/sway-command

for the most current list of brake controllers compatible with

Sway Command. Also, refer to your vehicle owner’s manual

for any further instructions on your vehicle’s brake controller

function.

• Failure to determine compatibility between your brake

controller, your tow vehicle and Sway Command may result

in the sudden loss of brake controller braking, which can

result in a loss of vehicle control and cause serious injury or

property damage.

• Do not submerge the controller. The Sway Command is not

designed to be submerged under water (Water Crossing).

Submersion will cause unwarrantable damage.

Sway Command®1.5

(AU) BY TRAILAIR

Installation and

Owner’s Manual

(For Aftermarket Applications)

Kit Part #Kit Part # DescriptionDescription

2020122271 Sway Command Kit

Sway Command Kit

lippert.com 432-LIPPERT (432-547-7378) CCD-0003928 Rev: 08.27.21

Sway Command®1.5

(AU) BY TRAILAIR

Installation and Owner’s Manual

(For Aftermarket Applications)

Introduction

The Sway Command®tow control system is a self-

contained caravan stability control module that detects

undesirable caravan movement from external sensors

and mitigates it by adaptively applying a variable braking

voltage to the left and right caravan electric brakes. This

system is currently only for use on caravans.

The Sway Command® Tow Control system uses sensors

to detect excessive caravan sway. The system activates

automatically and applies voltage proportional to the

amount of sway detected to the electric caravan brakes.

This dampens the sway and slows the caravan down.

When excessive sway is detected, the light pod will blink

red and the tow vehicle operator may feel the caravan

brakes activate until the sway is dampened.

Causes of Sway

• When the tongue weight is less than 10% of the caravan’s

weight, it has a natural tendency to sway.

• Improper weight distribution hitch adjustments.

• Crosswinds.

• A transfer truck passing from the rear of the caravan.

• Descending inclines.

• Towing speeds.

• Tow vehicle not properly matched for the caravan.

• Improper loading, overloading and poor weight

distribution on the caravan.

• 

Parts List

ALWAYS INFLATE TYRES PER MANUFACTURER’S

SPECIFICATIONS. IN ADDITION TO CAUSING

SWAY, IMPROPER TYRE INFLATION MAY CAUSE

PREMATURE TYRE WEAR, POOR HANDLING,

REDUCED FUEL ECONOMY OR BLOWOUTS. CHECK

TYRE INFLATION WEEKLY WHILE THE TYRES ARE

COLD BEFORE OPERATION.

NOTE: 

only. Not all parts are available for individual sale. All parts

with a link to the Lippert Store can be purchased.

Resources Required

• #14 - 10 x 25 mm self-drilling hex screw (corrosion

resistant) (4)

• M6 x 11.0 x 0.7 serrated external lock washers (corrosion

resistant) (4)

• Cordless or electric drill or screw gun

• Impact driver

• Torque wrench (Nm)

• M8 x 25 mm square head wood screws (2)

• M8 x 18 x 12 mm self-tapping hex head screws (2)

• Paint marker/grease pencil

• Appropriate drive bits

• 5.5 mm drill bit

NOTE: The Sway Command System is not a replacement

for using sway control bars when towing a caravan. Sway

control bars should be used in conjunction with the Sway

Command System.

Letter Part# Description

A 2020107634 Sway Command Controller

B 389951 Sway Command Main Harness

C 380597 Sway Command Light Pod

D 390066 Sway Command Light Pod

Extension Harness

E 671639 Sway Command Warning Sticker

Sway Command Kit - 2020122271

lippert.com 432-LIPPERT (432-547-7378) CCD-0003928 Rev: 08.27.21

Sway Command®1.5

(AU) BY TRAILAIR

Installation and Owner’s Manual

(For Aftermarket Applications)

Installation

Mounting Controller

Never drill into the Sway Command controller or

compromise the pressure equalizer plug hole on the back

of the controller. Doing so voids the warranty and could

damage the controller.

NOTE: The Sway Command controller is water-resistant,

but not waterproof. Do not spray high pressure water

directly at the controller.

Standard Chassis Mounting

1. The controller must be mounted in a level condition,

centered on the crossmember, and according to the

orientation arrow on the label (Fig.2A).

NOTE: The controller MUST be mounted facing the rear

of the caravan. The controller will not operate correctly if

mounted improperly.

2. Place the controller against the mounting surface. Use

a paint marker or grease pencil to locate the four mounting

holes for the Sway Command module (Fig.2B).

3. Using a drill with the 5.5 mm drill bit, drill

pilot holes through the crossmember at the four

previously marked locations. Clear all chips from the

mounting surface.

4. After the holes have been drilled, insert M6 x 11.0 x 0.7

serrated external lock washers over each #14 - 10 x 25 mm

self-drilling hex screw.

5. Insert assembled screws into the module as follows:

A. Insert one screw into the module and tighten half way

to hold the module in place.

B. Insert a second screw into the opposite corner from

the previously installed screw and tighten half way into the

module to hold the module in place.

C. Insert a third screw into the open hole on the opposite

end from the previously installed screw and tighten half

way into the module.

D. Insert the fourth screw into the remaining open hole

and tighten half way into the module.

6. Using an impact driver, securely fasten all screws using

a crisscross pattern (Fig.2) until screw heads are nearly



Fig.1

NOTE: The provided Sway Command controller module

(Fig.1A)

chassis, at the front of the chassis frame.

NOTE: The controller must be mounted to a frame

crossmember between 1219 mm - 3048 mm (4 ft - 10 ft)

behind the hitch point.

DIRECTION OF TRAVEL

IF THE CONTROLLER IS FITTED TO A CHASSIS

SHORTER THAN 101.6 MM (4”) IN HEIGHT, A

PROTECTIVE BRACKET/SHIELD MUST BE FITTED TO

PROTECT THE CONTROLLER FROM DAMAGE THAT

MAY BE CAUSED BY EXCESS WATER SPRAY AND

ROAD DEBRIS. SEE SHORT CHASSIS MOUNTING

INSTRUCTIONS AND FIGURE 3.

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Sway Command®1.5

(AU) BY TRAILAIR

Installation and Owner’s Manual

(For Aftermarket Applications)

7. Torque screws 10 - 12 Nm in the crisscross pattern

(Fig.2).

4. Insert M6 x 11.0 x 0.7 serrated external lock washers

over each #14 - 10 x 25 mm self-drilling hex screw, then

attach the controller (Fig.3A) and protective bracket (Fig.3B)

to the crossmember (Fig.3C) with the four hex screws in



Chassis Mounting procedure.

Fig.2

Fig.3

8. Make sure the controller is level (parallel) with the front

crossmember of the caravan frame.

9. Make sure controller orientation is correct (Fig.2).

Short Chassis Mounting





1. Install a protective bracket, which is NOT part of this kit

or supplied by LCI, large enough to mount the controller to

and then onto the shorter crossmember.

2. Place the controller on top of the protective bracket.

A. Align the top of the controller with the top of the

bracket, then center align the two items.

B. Place the bracket and controller on the side face of the

crossmember with the tops of the bracket and controller

aligned with the top of the crossmember.

C. Mark the screw hole locations on the protective bracket

using the controller as a template.

D. Set the controller aside.

3. Using a drill with the 5.5 mm drill bit, drill pilot holes

through the bracket and crossmember at the four locations

made in step 2.

DO NOT EXCEED RECOMMEND TORQUES VALUES.

EXCEEDING RECOMMENDED TORQUE VALUES CAN

RESULT IN PRODUCT DAMAGE.

B B

Sway Command Wiring

1. Connect the Sway Command main wire harness (Fig.4A)

to the port on the Sway Command controller.

Fig.4

lippert.com 432-LIPPERT (432-547-7378) CCD-0003928 Rev: 08.27.21

Sway Command®1.5

(AU) BY TRAILAIR

Installation and Owner’s Manual

(For Aftermarket Applications)

2. Connect the light pod extension harness (Fig.4B) to the

two-pin connector on the main harness.

3. Connect the loose wires (Fig.4C) on the main wire

harness as described in the following table.

NOTE: All wiring connections should be made at the

caravan junction box according to local codes.

NOTE: LCI recommends the use of a 20A user-

replaceable/sealed fuse between the junction box

power connection and the black Sway Command

power connection.

Sway Command Wire Connection Gauge

2-Pin Connector Light Pod Extension Harness 

Light Pod Extension Harness Light Pod 

Black 12V DC from tow vehicle / breakaway battery 12 AWG

White Caravan Battery / Frame ground 12 AWG

Blue Electric Brake wire from tow vehicle 12 AWG

Sway Command Light Pod Mounting

The light pod should be mounted in a location that can be

easily seen by the tow vehicle operator. If the light pod is

mounted to the A-frame of the caravan (Fig.5), make sure

it is mounted on the driver’s side of the caravan for clear

visibility. Optionally, the light pod can be mounted to the

outside, front wall of the caravan (Fig.6) and positioned for

visibility by the tow vehicle operator.

NOTE: The light pod can be fastened to the A-frame at any

time, but can only be connected after the A-frame loom

has been routed.

Fig.5

Mounting the light pod on the A-frame:

1. Determine the proper mounting location for the light pod.

2. Fasten the light pod in place next to the A-frame loom

hole with two M8 x 18 x 12 mm self-tapping screws (Fig.5A).

3. Connect the light pod to the extension harness (Fig.5B)

that was previously connected to the Sway Command

main harness.

NOTE: The light pod wiring and connection point can be

coiled into the cavity on the back side of the light pod for a

cleaner appearance, if preferred.

4. If the light pod is lit green, and no error codes are

detected, place the Sway Command warning sticker

(Fig.5C) on the outside of the caravan’s A-frame next to the

light pod.

Mounting the light pod on a caravan wall:

1. Determine the proper mounting location for the light pod.

2. Attach the light pod to the caravan wall with two M8 x 25

mm square head wood screws (Fig.6A).

3. Connect the light pod to the extension harness (Fig.6B)

that was previously connected to the Sway Command

main harness.

4. Make sure all wall penetrations are sealed to prevent



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Sway Command®1.5

(AU) BY TRAILAIR

Installation and Owner’s Manual

(For Aftermarket Applications)

connect

light pod

to harness

A A

Fig.6

Sway Command Compatible

Tow Vehicle Brake Control

Modules

The tow vehicle brake control module (BCM) applies

brakes to the caravan when the tow operator presses on

the tow vehicle brake pedal or activates a manual switch

on the tow vehicle BCM. A tow vehicle BCM may be OEM

factory installed or an aftermarket install.

NOTE: The following WARNING safety label reads and

appears as shown here and as included in the kit.

NOTE: LCI attempts to provide compatibility with

aftermarket BCMs and integrated caravan brake control

modules (ICBCMs) but is unable to anticipate design

changes by other manufacturers. LCI is continually

testing BCMs and ICBCMs and advises you to visit www.

lci1.com/sway for a complete and updated list as the

website listing is periodically revised as further testing is

completed and approved.

Prior to Operation

FAILURE TO FOLLOW THE GUIDELINES BELOW MAY

RESULT IN DEATH, SERIOUS PERSONAL INJURY, OR

PROPERTY DAMAGE.

1. Sway Command must be installed as detailed in the

Sway Command Installation section. Sway Command will

not operate correctly if improperly installed.

2. Caravan brakes must be adjusted per OEM



tow operator must ensure caravan brakes are properly

adjusted. Sway Command may not operate properly with

improperly adjusted brakes. Discuss brake adjustments

with the caravan OEM.

•• The Sway Command system installed on this trailer may beThe Sway Command system installed on this trailer may be

incompatible with certain manufacturers’ brake controllersincompatible with certain manufacturers’ brake controllers

•• Please refer to the website www.lci1.com/sway for the mostPlease refer to the website www.lci1.com/sway for the most

current list of brake controllers compatible withcurrent list of brake controllers compatible with

Sway Command. Also, refer to your vehicle owner’s manualSway Command. Also, refer to your vehicle owner’s manual

for any further instructions on your vehicle’s brake controllerfor any further instructions on your vehicle’s brake controller

function.function.

•• Failure to determine compatibility between your brakeFailure to determine compatibility between your brake

controller, your tow vehicle and Sway Command maycontroller, your tow vehicle and Sway Command may

result in the sudden loss of brake controller braking,result in the sudden loss of brake controller braking,

which can result in a loss of vehicle control and causewhich can result in a loss of vehicle control and cause

serious injury or property damage.serious injury or property damage.

lippert.com 432-LIPPERT (432-547-7378) CCD-0003928 Rev: 08.27.21

Sway Command®1.5

(AU) BY TRAILAIR

Installation and Owner’s Manual

(For Aftermarket Applications)

3. Caravan brakes must be burnished to ensure proper

caravan braking. New electric brakes may contain a

coating to prevent rust during shipping. An unburnished

brake will reduce caravan braking capacity. The tow

vehicle operator must ensure caravan brakes are properly

󰀨

vehicle. Sway Command may not operate properly with

improperly burnished brakes. Discuss brake burnishing

with the caravan OEM.

4. Improperly adjusted tyre pressure can reduce braking

󰀨

pressure must be adjusted to the tyre manufacturer’s

recommended pressure.

5. Tyres must have useful tread life left to ensure proper

braking. Tyre tread below useful life could cause the

caravan to skid during braking. The tow operator must

ensure tyres have useful tread left.

6. Improperly loaded caravans can be a source of sway. At

higher speeds, if the caravan naturally sways, the tongue

weight and/or caravan weight distribution must be adjusted.

Sway Command could activate frequently in this situation

causing excessive brake wear. Ensure proper hitch tongue

weights are observed for the caravan.

7. The tow operator must ensure Sway Command is

operational by observing the Sway Command light pod

status. Ensure the light pod is illuminated green. See Sway

Command Status light for status other than green.

8. The operator should operate the tow vehicle as safely

as driving and weather conditions allow. Sway Command

relies on braking and tyre grip to mitigate sway, and overall

󰀨

slippery/icy driving conditions.

Sway Command Controller

Operation

1. When Sway Command detects excessive sway, the

light pod will blink red and the tow operator may feel the

caravan brakes activate until the sway is dampened.

2. Sway Command 

activations. During wake up, Sway Command performs



green and red.

NOTE: The Sway Command light pod will be green if no

issues are detected. If an issue is detected, the light pod



See troubleshooting for a description of the various

blink codes.

3. Sway Command will enter a low power mode after 10

minutes when it senses no tow vehicle brake activation

or movement.

4. The Sway Command 󰀨

powers down.

Light Codes and

Troubleshooting

In the event a tow vehicle brake controller detects a fault

after Sway Command detects a sway event, manually

activate the tow vehicle brake controller a few times to

clear the fault.

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Sway Command®1.5

(AU) BY TRAILAIR

Installation and Owner’s Manual

(For Aftermarket Applications)

Manual information may be distributed as a complete

document only, unless Lippert Components provides

explicit consent to distribute individual parts.

All manual information is subject to change without notice.

Revised editions will be available for free download at

lci1.com. Manual information is considered factual until

made obsolete by a revised version.

Please recycle all obsolete materials and contact Lippert

Components with concerns or questions.

Light Flash Why? What Should Be Done?

󰀨 Sway Command is not

powered and not active.

Sway Command is in low power. Activate tow vehicle brake to

wake Sway Command.

Sway Command is not connected to 12V DC power supply. Verify

wiring.

Green, Red, Repeat Wake up self-checks in

progress.

After a few seconds, the Sway Command will complete self-

checks, and set the lights green if Sway Command is ready, or a



Green Solid Sway Command is awake and

monitoring for sway.



󰀨

functional.

Red Blink (1/2 second

󰀨

repeats)

Sway Command detected

sway event and is activating

brakes.

After sway subsides, light will return to green.

Green, 2 Red A short to 12 volt detected. Verify the break away switch is not activated.

Verify blue brake wire not shorted to 12 volts.

Green, 3 Red Not connected to caravan

brakes. Verify the blue brake wire is connected to the caravan brakes.

Green, 4 Red A short to ground detected. Verify the blue brake wire is not shorted to ground or caravan

frame.

Green, 5 Red Low voltage detected. Verify tow vehicle and tow battery are at 12 volts.

Red Solid

Sway Command is not

functional.

Disconnect harness, wait 10 seconds. Connect harness.

If light comes on solid red, unplug Sway Command and contact

service department.

Red Fast Blink

󰀨

repeats)

Notes

This manual suits for next models

Table of contents

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