Stereo Wire Harness

Stereo Wire Harness
After market stereo in 2000 sunfire, some wire harness problems?

i've been told by future shop that the wire harness for 2000-2004 Sunfires and Cavaliers is about $150!!! they say GM ran sensory info from air bag and other stuff, through the harness in the back of the orginal stereo? Is this for real?

Yes in fact this is true but I think they are inflating the price a bit. One way to tell if it is in fact true...is to put the key into the ignition cylinder (DO NOT turn the car on or the key on...just stick the key in) open the drivers side door and see where the beeping will come from. If the beeps are coming from somewhere in the dash...you are ok and don't need that harness and you should be able to use a standard GM interface harness to install your new deck. However...If the beeps are coming from the drivers side front speaker...you NEED the harness they told you about to retain the beeping function (for your headlights-are-on beeps, key-in-cylinder beeps, etc.) If any of my customers got into an accident after I did the install, and the airbags never deployed when they should've and somehow they trace it back to me...I'd probably somehow end up being liable for damages/injuries.

If I am not mistaken...you don't truly NEED the beeps to function like stock...but I NEVER did a head-pop on those vehicles without that correct harness to take myself out of the liability.

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