TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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KNOWN INFO 2. Is continuity present from connector PX7 pin 13 to terminal lug TL157? TEST OPTIONS REASON FOR QUESTION NO YES CAUTION Read CAUTION on following page. e38. REAR BRAKE AIR INDICATOR DOES NOT ILLUMINATE WHEN AIR PRESSURE IS BELOW 65 PSI (CONT) Repair wire 1525 from terminal lug TL157 to connector PX7 pin 13 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). Other indicator lights illuminate. REAR BRAKE AIR pressure gage operates. Rear brake air indicator lamps OK. Lighted indicator display OK. POSSIBLE PROBLEMS Faulty rear air pressure transmitter. Faulty dashboard cable assembly. TM 9-2320-366-20-1 2-520 Change 1 Continuity Test or STE/ICE-R Test #91 If continuity is not present, wire 1525 is faulty.