3513 During DT Found failed to AUX-ON wh ~~~~~ 3513 During DT Found failed to AUX-ON when button depressed.  3513 checked BCB & AXCB voltage - OK. Checked PB4 continuity, AUXR, 6604 to 30, 6603 to 6604 - OK. Found 6602 to 6603 having high resistance. Serviced contact point & fault cleared.  Kana/Raja 44493