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Before You Start

A. Is this product compatible with the ve hi cle?

• See Vehicle Application Guide (separate sheet)  for listing of vehicles and connection information.

•  If  your  vehicle  is  not  listed,  check 

www.pac-audio.com/swixprogramming

  for  the  most  current  list  of  com pat i ble 

vehicles.

B. Prepare for the installation.

• Review the application guide for vehicle specifi c wiring details and note where the steering wheel control wires will be 

found.  Keep in mind that the supplied interface wire harness is 

two feet long

•  Use a digital multi meter for checking and verifying vehicle circuits.

Using the Vehicle Application Guide

C. Select your make, year and model.

• Choose your 

Make, Year, and Model 

and highlight the complete column 

across the page.

• If the exact model and year is not listed, choose a broad 

Model

 name 

such as “All Models” or one that describes the radio connector.

E. Version number, loops and notes.

• The  

Version 

number will tell the interface what SWC circuit type is being used.  This will be 

addressed  on  the  next  page. The 

Note  ID

  is  a  vehicle  specifi c  programming  tip  or  connection 

instruction.  

Only

 read notes in the note chart specifi ed by the 

Note ID

.  Disregard all others.

• 

Cut Purple? Cut Brown?

 This refers to the loops on the SWI-ECL2 connector.  Cut these loops 

only if instructed to do so.

D. Locating the vehicle steering wheel control wire.

• Determine your 

Interface Wire Color 

(Green, Yellow, Orange 

or White)

This wire will be connected to vehicle’s steering wheel 

control wire

• The 

Interface Connector

 (if available) is an image of the vehicle 

plug.  This image is found on the 

Vehicle Connector Chart

.

• The 

Pin Number and Color

 (if available) refers to the vehicle’s  

SWC wire located in the 

Interface Connector

 (if available)

.

F. Additional Notes and Interfaces.

• The 

Additional Notes

 are connections that may 

have  been  supplied  by  the  radio  prior  to  removal.  

These must be made in order to complete the steering 

wheel control circuit.

• Some vehicles will require an additional CAN bus 

interface.  This will be needed if “Yes” is printed below 

CAN Interface

 heading

.

Programming the Interface Version Number

SWI-ECL2

Step 5.

3 seconds

 after the last press of the 

Program Button

, the LED will fl ash the same 

number of times as just pressed.  This indicates the programmed version number.  Turn 

vehicle key to the 

Off

 position. The version programming sequence is now complete.

If the repeated fl ash count of the LED does not match the version number needed, you must start over at Step 2.

OFF

ACC

IGN

STRT

Step 1.

Refer to

 

the 

Vehicle Application Guide

 for the version number that corresponds to your vehicle.  Write the 

Version Number

 below for quick reference.  

Make sure to read all steps before programming as some are time sensitive.  If the result indicated to the left of the arrow does not result from the step 

performed, you must start again.  Double checking connections may be necessary before continuing.  

At this point all connections should be made and 

the key should be in the off position.  Keeping the door open during programming is recommended to disable the R.A.P. feature (if available)

Version Number:

 ____________  

(Write Version Number here)

Step 3.

Release the 

Program Button

.

The  LED  will  turn  off  immediately 

after the Program Button is released 

indicating previously stored memory 

has been cleared.

SWI-ECL2

SWI-ECL2

Step 2.

Press and hold the 

Program Button

.  

While 

holding

  the 

Program  Button

turn the vehicle key to the 

ignition

 or 

On

 position.

The LED inside  of the

SWI-ECL2  will  turn  on 

and stay on as long as the 

Program Button

 is held in.

SWI-ECL2

OFF

ACC

IGN

STRT

SWI-ECL2

SWI-ECL2 Connections

1 amp

fuse holder

Purple Loop

Brown Loop

Green

Orange

Yellow

Red

White

Blue

Black

Power

SWI-ECL2

Radio Control Wires

Connecting to the New Radio

SWI-ECL2

Eclipse Radio

Eclipse Radio

Brown

Brown

Brown

White

White

Brown/Black

• Green

 - SWC signal input.  Used with 

Version #

 1, 2 or 4 only.

• Orange

 - SWC signal input.  Used with 

Version #

 6 or 7 only.

• Yellow

 - SWC signal input.  Used with 

Version #

 5 or 10 only.

• Red

 - Interface power wire.  Must be connected to a 12v ACC. or IGN. source controlled by the key.

• White

 - SWC signal input.  Used with 

Version #

 3, 8, 9, 11 and 12 only.

• Blue

 - GM HVAC data output.  Used with 

Version #

 4 only.

• Black

 - Interface ground wire.

Cut the 

Brown

 or 

Purple

 loop if instructed to by the 

Vehicle Application Guide

.  All connections (including 

notes and additional notes) must be made before programming the interface.

*NOTE - 

It is recommended that the 

Red

 wire is connected to the same ACC. or IGN. wire as the radio.

Connect the SWI-ECL2 

Radio Control

 wires to the newly installed Eclipse radio.  

There are 2 known wiring color combinations for the Eclipse radios.  Connect 

according to the chart below.

The 

Vehicle Application Guide

 and 

Connector images

 (included with interface) contain the known locations of steering wheel 

control wires for vehicles compatible with this interface.  If your 

Year, Make or Model

 is not listed below check 

www.pac-audio.com/swixprogramming

 for the most current and up-to-date list of compatible vehicles and radios.  You can 

also reference similar vehicles or years.  They may be the same as what you are working with.

Step 4.

Press  and  release  the 

Program  Button

 

the same number of times as the version 

number.

The  LED  will  flash  each 

time the 

Program Button

 is 

pressed.

SWI-ECL2

SWI-ECL2

xVers.#

1 0 0 0

1 0 0 0

1 0 0 0

1 0 0 0

1 0 0 0

1 0 0 0

1 0 0 0 1 1

1 1 1 0

1 0

1 0

1 0

1 0 1 1 1

1 1 1

1 1 1 1 0 0 1 0 0

1 0 0 1 0 0

1 0 0 1 0 0

1 0 0 1 0 0

1 0 0 1 0 0

1 0 0 1 0 0

1 0 0 1 0 0

1 0 0 1 0 0

1 0 0 1 0 0 1 0

1 0

1 0

1 0 1 0

1 0 00

1 1 1 0 1 0 0 0 0

1 0 1 0 0 0 0

1 0 1 0 0 0 0

1 0 1 0 0 0 0 1 0

1 0 1 0 1 1 1 0 0 1 1 0 0

Class 2

Class 2

Class 2

Class 2

J1850

J1850

SWI-ECL2

Universal Steering Wheel Radio

Remote Interface for Eclipse Radios

with a Wired Remote Input Connection

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