Left Hand Switch Block for early Yamaha's Metal body Plastic coating on outside - powder coated This left hand switch is for 7/8" or 22mm bars - ie, standard bars only Covers all the usual functions: Headlight ON/OFF Low Beam High Beam Park Light Switch Indicator Switch Left/Right * THE INDICATORS DO NOT SELF CANCEL! No 'Push to cancel' function Horn Wiring as follows: Yellow/White - Power to H/lamp ON/OFF Green - Low Beam Yellow - High Beam Dark Blue - Parker Lamp /Dash Lamps Brown / White - Power for flasher Relay Brown - L/H Flasher Dark Green - R/H Flasher Pink - Horn White to Green/White - H/Lamp Switch Off White to Green/Red - H/Lamp Switch On Switch Body is Earth........ Sometimes a separate earth wire will be required - rubber mounted bars for example This is a 'Generic' copy of an early Yamaha switch block and some minor rewiring MAY be required. Installation Guide supplied.