BE–88 BODY ELECTRICAL SYSTEM – AUDIO SYSTEM 1 Radio NO POWER COMING IN W : w/ Power Amplifier WO : w/o Power Amplifier Is tape player operating normally? Yes → Radio assembly faulty. No ↓ Check if RAD No. 2 fuse is OK? NG → Replace fuse. OK ↓ WO W Is ACC applied to power amplifier? No → ACC wire harness faulty. Yes ↓ Check if GND (wire harness side) to power amplifier is OK? NG → GND faulty. OK ↓ Is ACC applied to radio assembly? No → WO ACC wire harness faulty. W Power amplifier faulty. Yes ↓ Check if GND (wire harness side) to radio is OK? NG → WO GND faulty. W Power amplifier faulty. OK ↓ Radio assembly faulty.