TM-9-2320-209-20-2-1 Troubleshooting Part 1 for M44A1 and M44A2 Series Trucks
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TM 9-2320-209- 20-2-1 GO ■ ✎ ● Replace dimmer switch ● Set light switch main lever to OFF MAIN LEVER ● At right and left headlight housing (K put back leads 17, 18, and 91 \ / ● Replace dimmer switch. Refer to M&”E R tl~% -00 SEW:E 0 Vol 3, chapter 7, para 7-65 DRIVE al Check front harness between headlamp dimmer switch and light switch ● ● ● ● ● Set light switch main lever to OFF Take off light switch from instrument panel. Refer to Vol 3, chapter 7, para 7-14 Take off I ight switch plug from light switch. Refer to Vol 3, chapter 7, para 7-14 Put iumper wire between terminals F and M of light switch plug on front harness Put mu Itimeter - lead on good ground and + lead on front harne& lead 16 contacf. Read mu Itimeter. Mu Iti - meter shou Id measure +24 volts DC Does multimeter measure +24 volts DC? GO L e LEAD 16 / / IQ H ,JUMPER WIRE TA 114283 Figure 25-7 (Sheet 6 of 11) 25-76