Just remove the silver bolts from that vent piece and the cover piece comes off. Once off, you will see the little "black box" where you want to mount the switch. Just pops out....
very simple...
----------------------------------------------------------
2002 Vette; Vortex Intake, Vortech S/C, Stage II heads, comp cam (220/220/114/.581), 3.90 gears, 14 inch cross drilled rotors, 170 stat, NGK TR6, B&M Ripper Shifter, Autometer Boost & Fuel pressure gauges on a-pillar, Hotchkis Sway Bars, HRE 543 wheels (F:265/35 R:295/35), Z06 titanium exhaust, RK LT headers, Magnaflow x-pipe, Programming by Morgan Motorsports, 5% tint, AA Frame & Rocker Savers, TB Bypass, Lowered 2", Custom Audio;570 RWHP
Dyno Here
2003 H2; 37 inch tires, Manik Off-Road pkg., Airaid Intake, Custom Audio