TM 9-2330-275-14&PTable 4-1. Unit Troubleshooting Chart (con’t).ELECTRICAL SYSTEM (con’t).6. DIM OR FLICKERING LIGHTS.Initial Setup:Equipment Conditions:Tools and Test Equipment:Dolly set parked on level surface.. General mechanic’s tool kitl Dolly set coupled to towing vehicle with towingl Common no. 1 shop setvehicle parking brake applied (para 2-14).l MultimeterNOTElInstead of using multimeter for voltagecheck STE/lCE TEST no. 89 may beperformed.lInstead of using multimeter for continu-ity check, STE/ICE TEST no. 91 may beperformed.l Perform pin-t-pin continuity checks onintervehicular cable (IVC) before anyother tests to ensure there are no bro-ken wires internal to IVC. If any testsfail, replace IVC before proceeding.A. Turn towing vehicle master switch OFF. Dis-connect intervehicular cable from distributionbox. Place multimeter red lead on socket A ofintervehicular cable, and ground black lead byplacing on pin L. Turn towing vehicle masterswitch ON and check for voltage.IS VOLTAGE LESS THAN 21 VDC?4-22
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