What was found
AT BEGINNING OF TAKEOFF ROLL, NR 1 EEC FAILED. WHITE 'MAN' LIGHT, RED `EEC` LIGHT AND AURAL WARNING SOUNDED. ABORTED TAKEOFF. FOUND LOOSE CANNON PLUG TO 1.8 SENSOR. CLEANED, OHM'S CHECKED AND TIGHTENED CANNON PLUG. ALSO OHM'S CHECKED NH & NP SENSORS AND EEC CONTROL CANNON PLUG. CLEANED AND RESET CIRCUIT BREAKERS IAW EMB120 W/M 76-10-00. SYSTEM CHECKED GOOD WITH ENGINE RUN.