After market stereo wiring

Do you not have a harness that is plug and play with the OEM wiring? Meaning you buy an aftermarket wire harness, splice the small harness with the aftermarket stereo harness, then it plugs right into the cars stereo plug. Most of the wires in these aftermarket harness pigtails are labeled with what they do, so it is very simple to wire up to the new stereos wiring.

If you are trying to splice it into the car's factory harness (by cutting the cars radio plug off), you’ll have to get a proper wiring diagram, and or test the wires to make sure you have the right ones. Much more difficult, and I do not recommend this if you don't know what you're doing.

Perhaps also post photos of your wiring you are working with which might help a little.
 
I agree with this ^^^

Visit Critchfield and get a vehicle specific adapter for your car/system. I have a pinout for the connector at the factory amp for a 99 Park Ave if that helps.

Buick Amp Connector.JPG
 
The wiring harness adapter is less than $10 online. It makes everything 10x easier. You just wire your new stereo to the adapter outside of the car then it’s plug and play. No laying across the seats with the shifter in your ribs trying to connect wires inside the hole in the dash.
 
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Darrell Robinson

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