mmmm corrado vr6... what year do you have? I've got a 93 passat vr6 with a schrick intake and 268 cams.

Also, did you reverse the wires on your ISO connector on your VW, I'm pretty sure the 12v power and ignition wires are switched in the VW -> connector. I think you want to switch the empeg harness wires, however I switched the wires on my VW connector. I didn't want to have to remove to re-wire the cage if I moved my empeg to another vehicle.

The easiest way to test, is does your empeg shutdown when you turn off your car? Does it remember where it was in the last track you were playing on power-up? If it does both of those then it's wired correct (minus the large fuse)