Car AudioCar audio related questions and helpful hints for building the best sound system for your car or getting the most out of what you have.
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First off, I have a later model Delco TheftLock head unit from a 2002 GMC/Chevy truck which looks almost stock when installed. It has a CD changer output and I wanted to use that for playing any other type of audio I so choose. Later it will be for a satellite receiver.
From Precision Interface Electronics (PIE), I bought the GM9-AUX which plugs into the 9-pin CD changer socket on the back of the radio, this emulates a CD changer and makes the radio think it has one connected.
It took all of 5 minutes for me to rack out the head unit, plug the harness in and route the other end to the side of the console. I haven't decided yet if it will remain there.
Now with everything hooked up, I select the CD/AUX button on the radio until CD 1, Track 1 is displayed, then I can listen to whatever I can hook up with a set of RCA cables. Here, I have my phone playing MP3 tracks I have stored on it.
PIE is very particular on which model years (and which vehicles they're from) will work with this piece. Mine happened to be one that does.
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I've got almost the exact same deck going into my 87 TA. Pulled it out of my 97 GTP before it got sold. Nice upgrade from the old cassette decks. Would probably pick up one of these as well so I can toss my mp3 player in the car
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1987 Trans Am, work in progress
2008 Pontiac G8
Retired: 1984 Camaro "ZF" 2.8L, 1989 Camaro RS
Customer Service Manager, 1A Auto Parts
Just make sure the head unit is capable of controlling a stock external CD changer. I contacted PIE to make sure the interface would work with my head unit before I actually ordered the piece. As far as hookup, just plug it into the back of the radio, couldn't be easier.