Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 62Get this manual
5If cranking voltage is acceptable, disconnect
RED (fused) lead bullet connector between the positive (+) starter solenoid terminal and Red lead from rectifierregulator6Connect RED (+) ammeter lead to RED lead from
RectifierRegulator Diode Test
fuse, and the BLACK () ammeter lead to the bullet from POSITIVE terminal from rectifierregulator7Secure starter wires away from flywheel8With engine running at the indicated RPM's, the
ammeter should indicate the following appropriate amperes:
RPM Idle 1000 10 Ampere Stator 2000 3000 4000 AMPERES 2.4 2.4 6.7 8.0 8.3
a Voltage RegulatorRectifier Ground Lead Eyelet (Black) Stator Lead Green Stator Lead (WhiteGreen) Stator Lead (GreenWhite) Stator Lead (Red)
9A reading of 8-8.3 amperes at 4000 RPM indi-