TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO TEST OPTIONS REASON FOR QUESTION Is 24 VDC present at terminal block TB9? WARNING Read WARNING on following page. Voltage Test or STE/ICE-R Test #89 12. LH and RH winches operate from wrecker control panel. Circuit breaker CB50 OK. STATION SELECTOR switch to WRECKER CONTROL PANEL. MODE SELECTOR SWITCH to NORMAL. Jumper wires OK. POSSIBLE PROBLEMS Faulty STATION SELECTOR switch. Faulty M1089 control panel wiring harness. Faulty M1089 control panel power cable assembly. Faulty M1089 rear lights cable assembly. Faulty auxiliary panel cable assembly. Faulty dashboard cable assembly. e139. MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL (CONT) TM 9-2320-366-20-2 2-1450.18 Change 1 If 24 VDC is not present, go to step 15 of this fault. If 24 VDC is present M1089 control panel wiring harness and/or STATION SELECTOR switch is faulty. NO YES Go to step 15 of this fault. Replace M1089 control panel wiring harness (para 7-83) and STATION SELECTOR switch (para 7-34).