Amp is integral to the subwoofer ass'y located in the rear hatch. :biggrin:
PS: I am not a retired service manager of 30 years, and do not drive a 99 D2 with the following mods:
Custom made front and rear bumpers, Warn 9500 HSI with 3/8th's rope, sliders, QT diff. guards, electronic CDL, 4:11...