Voltage 14, Amp 55, Terminal W, Pulley P, W plug type Plug, Pulley Diameter 74.00, Prod. info BN, Pulley Distance 76.30, Servicing Mercury, OMC, Mercruiser, Radius 81.50, Belt Adjustment Bracket Hole 1 5/16" UNC, Grooves/pulley 1, Regulator type IR, Bracket Hole Size 1 3/8" UNC, D+ Size Plug, Holder Arm Width 50.70, B+ M8, Radius 2 82.50, Rotation CW, Position 30, B+ Position 10, Belt Adjustment Bracket Hole Position 60, Total Length 162.00, Remarks Purple wire = +15. Red wire =S (+)