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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 ANTI-LOCK BRAKE SYSTEM (ABS) DIAGNOSTIC LIGHT DOES NOT OPERATE-Continued 0031 00 BRAKE SYSTEM TROUBLESHOOTING - Continued Table 1. Anti-Lock Brake System (ABS) Diagnostic Light Does Not Operate - Continued. 0031 00-5 Change 1 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 4. Is continuity present between junction box stud 1 and a known good ground? No. Replace junction box (WP 0059 00). 1. Position towing vehicle master power switch to off. Yes. Replace ABS diagnostic light harness (WP 0077 00). 2. Set multimeter to ohms. 3. Connect positive (+) probe of multimeter to junction box stud 1. 4. Connect negative (-) probe of multimeter to a known good ground and note reading on multimeter.