If the 87-newer harness (shown in many places), Metra model # 70-1761, does not look like any adapter in your car, then you're either looking at the wrong plugs in your dash, or your original plugs have been removed. Are you the first owner of that car?

The metra adapter will plug right into the factory harness after you remove the factory radio. Guaranteed.

A constant source of power is one of the easiest things to find. If you don't want to blow things, you should NOT be using a test light. If your cr has airbags, you should NOT be using a test light unless you know what you're testing. The draw from the light can be enough to trigger your bags. You should be using a multimeter.

If all else fails, you can go direct to the battery for a 12v source. Simple. Finding accessory if anything is the hardest part, but even that's simple. You can follow so many routes from other known accessories in your car. Not to mention something will be labled in your fuse box.

I know not everyone is up to the challenge of wiring installations, but this stuff is so basic that sometimes I have a hard time believing people's messages.

Bruno