2008 Impala LAN and aftermarket stereo question. HELP!!!

[adrian1185 10+ year member]

Well, i just purchased a 2008 Chevy Impala LT with OnStar about 2 months ago and now im looking to install an aftermarket stereo and amplifier. The thing is, i dont want to buy the expensive *** harness LAN kit that retains all the OnStar settings and chimes. The crap costs 140 bucks on ebay and sonicelectronix but i was hoping there was an alternative to this. Are there any gurus out there that can help me out? Pointers? Suggestions? Is this thing absolutely necessary because i could care less about OnStar and door chimes.

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[adrian1185 10+ year member]

Bump

 

[dbeez 5,000+ posts]

I have my 05 imapala harness I would let go of for about $60

 

[adrian1185 10+ year member]

I have my 05 imapala harness I would let go of for about $60

Word? Pm coming

 

[adrian1185 10+ year member]

bump

 

[ShiningBuick 10+ year member]

Unplug the radio and see if anything goofy happens.

I've had error messages on the odometer, losing DIC info/controls, etc.

If nothing acts up you're probably OK to just use the cheap harness.

Also.. depending on the stock system, it may have the factory amp which IIRC is turned on with data.. but I'd have to check for sure. If it is, just bypass the amp.