1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 78Get this manual

1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 78

CHARGING AND STARTING SYSTEM
VOLTAGE SPIKE SUPRESSER
1Set meter to 2Connect RED (+) meter lead to regulator case3Connect BLACK () meter lead to RED regulator leadVoltage Specification 0.40.7 VOLTS

VOLTAGE SPIKE SUPRESSER DIODE TEST
1Set meter to 2Connect BLACK () meter lead to RED regulator lead3Connect RED (+) meter lead to either YELLOW regulator leadTest4Connect RED (+) meter lead to the other YELLOW regulator leadDiode Test Specification (Both Tests) 0.40.8 VOLTS

DIODE TEST

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