What was found
WHILE EN ROUTE, NOTED RT ENGINE COMPUTER AMBER WARNING LAMP BECAME ANNUNCIATED. ALSO NOTED, INDICATED LOSS OF POWER RT ENGINE. CONSULTED AND COMPLIED WITH EMERGENCY PROCEDURES WHICH INSTRUCTED TO SWITCH TO MANUAL CONTROL AND MONITOR ALL APPLICABLE ENGINE PARAMETERS. IMMEDIATE NOTIFICATION TO ATC REQUESTS TO DIVERT TO DAL FOR INSPECTION AND REPAIRS. FOLLOWING TROUBLESHOOTING AND INSPECTION TO DETERMINE SOURCE OF DEFECT, IT WAS NOTED THAT THE RT ENGINE PT2 HARNESS WAS DEFECTIVE. PARTS WERE REPLACED, ENGINE AND COMPUTER FUNCTIONS WERE TESTED, AND NO RECURRING DEFECTS WERE NOTED.