TM-9-2320-209-20-2-1 Troubleshooting Part 1 for M44A1 and M44A2 Series Trucks
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TIVI 9-2320-209-20-2-1 GO ( 4 ● Replace temperature gage ● Set ACCESSORY switch to OFF ● Put lead 33 contact back on temperature sending unit ● Replace temperature gage. Refer to Vo13, chapter7, para 7-13 L 1 1- ● Check for VOI tage to temperature gage ● ● ● ● Set ACCESSORY switch to OFF Take off instrument cluster from instrument panel. Refer to Vol 3, chapter 7, para 7-12 Put iumper wire from instrument cluster to a good ground Take off lead 33 from temperature gage ● ● ● ● ● Set ACCESSORY switch to ON Check that multimeter is stil I in +24 volts DC position Place multimeter - lead on a good ground Place multimeter + lead on lead 33 contact Read mu I timeter. Mu Itimeter shou Id measure +24 vo I ts DC Does mu I timeter measure +24 volts DC’? INSTRUMENT \ \ CLUSTER \ JUMPER WIRE u “URE GO 25-238 .4445 Figure 25-29 (Sheet 2 of 6)