TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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KNOWN INFO TEST OPTIONS REASON FOR QUESTION If continuity is not present, relay K2 is faulty. 7. e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT) NO Replace relay K2 (para 7-9). YES POSSIBLE PROBLEMS Faulty relay K2. Faulty dashboard cable assembly. Service drive lights OK. Circuit breaker CB70 OK. Batteries OK. 100 AMP reverse polarity relay OK. 100 AMP reverse polarity relay to power distribution panel (PDP) 24 VDC cable OK. Battery to 100 AMP reverse polarity relay 24 VDC cable OK. 200 AMP reverse polarity relay OK. 200 AMP terminal block OK. Battery to 200 AMP terminal block 24 VDC cable assembly OK. 200 AMP terminal block to reverse polarity relay 24 VDC battery cable OK. 200 AMP terminal block to reverse polarity relay 24 VDC load cable OK. 200 AMP terminal block to power distribution panel (PDP) 24 VDC cable OK. Master power switch OK. Resistance Test or STE/ICE-R Test #91 Is 76-99 ohms resistance present from relay K2 terminal 85 to terminal 86? TM 9-2320-366-20-1 2-280 Change 1