You can purchase a "receiver wiring harness." You splice it into the
> aftermarket head unit with this wiring harness that just plugs right into
> the GM factory harness. Is that what you are looking for? They are about
> $10.00 and available at any car audio shop and online at
>
formatting link
>
> Steve
nah.. I've already got the metra kit that relocates the radio to the back of the trunk, now what I want is something that will mate with the factory harness that plugs into the amp for the premium audio amp that is mounted upsidedown in the trunk.