Yeah, I'm sure it's a common ground system. it really is confusing, my
91 Taurus didn't have that. Some of the "premium" systems used a
common ground, this has premium sound, but apparently no amplifier,
unless it's hidden somewhere else on the car.
The factory radio has two plugs, an 8 pin and a 7 pin, the 7 pin
connector has all the power, dimmer, power antenna and the 8 pin is
speaker/remote. Now, this sytem has a remote, but, it seems that's a 1
pin plug (don't ask me).
The 8 pin plug contains all my speaker connections. On the aftermakret
adapter the positives for each channel match up, but, there's only one
My main problem is I can't find where the wires come into the car from
the door, or I'd have already wired up new connections.
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