Did continuity test on TCS RTD (Resistance Temperature Detector) for HAM 4 and 5: HAM4 Flange D6-3C1 (air side) HAM4 Flange D3-3C1 (air side) The following pins at each connector are tied together: Pins 1&2 Pins 14&15 Pins 11& 12 Pins 24 & 25 Read ~110ohms across: Pins 1&14 Pins 11&24 All within spec. Filiberto Clara