Anyone know if the D3 uses the same wiring harness that plugs into the back as the D1? If so, how different is it? I want to change my D1 to the D3 but I don't want to re-splice all the wiring again (my car has no wiring harness that's compatible with aftermarket stereos, unfortunately).

I would assume that its the same. I'll be getting my D3 and replacing my D1 this weekend. I'll update once I finish the swap.

It's different. Match the colors, those are the same.

Thanks, if the colors are the same, then it shouldn't be too bad.

Yes the colors on 98% of aftermarket radios made in the last 8 years is the same.

Yellow - constant

red - switched +12v

black - ground

blue - power antenna

blue/white - amp turn on

black/white - amp ground

orange - illumination

orange/white - dimmer

orange/black - negative dimmer

brown or yellow/black - cell mute

white - left front +

white/black - left front -

gray - right front +

gray/black - right front -

green - left rear +

green/black - left rear -

purple - right rear +

purple/black - right rear -

Incidentally that is probably the only universal thing in the car audio world. On a side note to any wanna be installers in the group. That list would be a good thing to remember.