What was found
RIGHT FWD WINDOW OVERHEAT. BOTH R1 WINDOW HEAT CIRCUITS ARE BAD. R1 WINDOW REQUIRES REPLACEMENT. SENSOR FAULT WHCU R FRONT CHANGED SENSOR SWITCH 51079 TO SPARE NO HELP SWAPPED WHCU R FRONT WITH WHCU L SIDE PROBLEM STAYS WITH R FRONT. RETURNED WHCU'S TO ORIGINAL LOCATION. OVERHEAT LIGHT COMES ON AS SOON AS SWITCH IS PLACED FROM OFF TO ON. RETURNED SENSOR SWITCH 51079 TO PRIMARY. REPLACED R1 WINDOW REF AMM 56 11 11 400 801.