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TM-9-2320-334-13&P LHST Operator, Field and Parts Manual M1147A1 Trailer Download

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TM 9-2330-334-13&P LEFT BLACKOUT TAILLIGHT DOES NOT ILLUMINATE-Continued 0027 00 THIS WORK PACKAGE COVERS: Electrical System Troubleshooting Table 1. Left Blackout Taillight Does Not Illuminate. Change 1 0027 00-2 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 1. Is 18-30 VDC present at connector J258? No. Repair wire 117 (EM 0195) or replace left rear electrical harness (WP 0064 00). 1. Set multimeter to VDC. Yes. Replace left rear composite taillight (WP 0060 00). 2. Remove left rear composite light from trailer for access (WP 0060 00). 3. Disconnect connector J258 from left rear composite taillight. 4. Connect positive (+) probe of multimeter to connector J258. 5. Connect negative (-) probe of multimeter to a known good ground. 6. Position main light switch to B.O. MARKER on towing vehicle and note reading on multimeter. END OF WORK PACKAGE