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 ~ ● Check for +24 volts DC at left head light low beam input ● ● ● Take off leads 17 (high beam), 18 (low beam), and 91 (ground) from left headlight housing Put multimeter - lead on lead 91 contact and multimeter + lead on lead 18 contact Read mul;meter. Multimeter should read +24 VOI ts DC. If no~, push dimmer switch and read multimeter again Does mu Itirneter read +24 VOI ts DC? * YES c 8 i HOUSING ) ● Check for +24 volts DC at left m headlight high beam input ● Push dimmer switch to set in high beam position ● Take multimeter + lead off lead 18 contact ● Put multimeter + lead on lead 17 contact ● Read multimeter. Multimeter shou Id measure +24 VOI ts DC. Does multimeter measure less than +24 volts DC? m Figure 25-7 (Sheet 3 of 11) TA 114280 25-73