What was found
DURING TROUBLESHOOTING FOR AN INTERMITTENT ALTERNATOR FAILURE, NOTED WHEN EITHER ALTERNATOR IS SWITCHED OFF, THE REMAINING ALTERNATOR ALSO TURNS OFF. INSPECTION SHOWED THE CABLE FROM THE ALTERNATOR SHUNT TO THE ALTERNATOR CIRCUIT BREAKER SWITCH (WIRE PIEC AND P2EC) WERE SWAPPED AT THE SWITCH. WHEN SWITCH IS OPENED, THE OPPOSITE FIELD IS ALSO OPENED. CORRECTLY CONNECTED SWITCHES AND WIRES, FUNCTIONAL CHECK OK.