monsoon wiring harness | eBay Find great deals on eBay for monsoon wiring harness. Shop with confidence. Skip to main content. eBay Logo: Front Door Wiring Harness Monsoon Driver 01.5-05 VW Passat B5.5 - 3B0 971 120 AR See more like this. LH Front Door Wiring Harness Monsoon 01-05 VW Passat B5.5 - 3B0 971 120 DM. Easy Monsoon Amplifier Bypass Wiring - LS1Tech Jul 26, 2006Stereo & Electronics - Easy Monsoon Amplifier Bypass Wiring - Alright guys, I had the fun of upgrading speakers on my girlfriend's 2002 Firebird with a Monsoon system today, and I wanted to share my findings with everyone else. Typically, what I've heard everyone say is that you either buy the specific speaker that..