well if your radio is turning on and off than it indicates a short of sort. its been my experiance that a bad ground is usually the case but not 100% of the time, you might be right you might have a bad hu.
98 RS: Mods: Custom Stage 2 Turbo kit , 55mm throttle body, gutted cat, evo cat back exhaust, p/p intake manifold,p/p Head, af-x underdrive pulley, B&M short throw shifter,Built bottom end Je pistons eagle rods 8.8:1 compression.
Status:Up and running again! nice new paint
Custom stage 2 hahn turbo kit Hahn Super 16g turbo (ceramic coated) Hahn manifold (ceramic coated) Hahn Downpipe assembly Hahn intercooler piping smic Hahn oil line kit Type s bov 2G Gsx smic walbro 255 fuel pump Synapse missing link Vortech s-fmu NGK Bkr7e11 Plugs A-pillar w/boost, a/f, oil pressure gauges