last time i worked on a recent caravan with amp there was a amp on each of the rear speaker, so i removed each speaker, bypass their amp (which was fit behind the speaker) and replug it directly to the oem wire
1998.5 Toreador Red/Midnight Blue Contour SVT - #5912/6535 - DOB - 05/11/1998 -
RU-3530/CTA Intake Pipe
MSDS Heaser/Y-Pipe
Magnaflow #10435
9mm Ford racing
SPEC Stage one/Spec Alum. Flywheel
HERE