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Working on a new or unlisted vehicle?
We are always looking for new vehicle information. If you’ve successfully completed the installation on a vehicle with
steering wheel controls, and the vehicle is not listed in these instructions or on our Website, contact us at
[email protected] so that we may add the information to the instructions.
Pacific Accessory Corporation
Santa Ana, CA 92705
[email protected] • www.pac-audio.com
Copyright 2010 Pacific Accessory Corporation. Content subject to change without notice.
Troubleshooting Guide
My Vehicle is not listed in the Identification and Connection Chart:
Please visit
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http://www.pac-audio.com/swixprogramming/swixprogramming.asp
for the most up to date listing of compat
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ible vehicles.
I cannot program the INTERFACE version number:
Is the radio selection switch in position “0”? If so refer to page 5 and select a radio position before attempting to program a
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version number.
No power / won’t go into programming mode:
Check
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Red
wire connection and fuse. Make sure INTERFACE is connected to sw12 volts, not co12 volts.
Make sure vehicle ignition is on.
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The INTERFACE controls the stereo immediately without pressing any buttons on the steering wheel
During programming, press the buttons on the steering wheel firmly UNTIL the left LED turns off. Releasing the button too
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early will cause the INTERFACE to send out a signal even when no buttons are pressed.
Ensure that the brown loop is not cut unless instructed
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The radio changes when the key is off (RAP mode pertaining to GM vehicles) or does not work when the car/truck is running:
The INTERFACE’s Red accessory wire needs to be connected to the same circuit as the radio. If you are using a radio re
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placement interface that does not supply BATTERY voltage as the ACC. circuit, a relay need to be installed as follows:
Terminal 86 to supplied ACC wire, Terminal 85 to Gnd Terminal 30 to the INTERFACE Red wire and Terminal 87 to BATTERY.
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When programming the SWC buttons, it takes 5 seconds for the light to go out and it never comes back on:
Do the connection instructions say to connect another vehicle wire to ACC voltage or chassis ground? If so, test the circuit
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with a Digital Multi Meter (the factory radio must be plugged in) and verify that the factory radio is providing the same output.
The INTERFACE controls the radio whenever the steering wheel is turned (mostly late 80’s early 90’s Honda/Acura):
Program the INTERFACE for version #12.
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