TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l 1 2-46. STEIICE-R TEST PROCEDURES (Cont’d) STARTER NEGATIVE CABLE VOLTAGE DROP TEST #69 Description: Pre-Test Procedures: This procedure measures the voltage drop on the starter path. A high voltage (>2V) indicates excessive ground path resistance. Test requires DCA hookup only. Run confidence test. Typical Applications: Check starter negative cable voltage drop. Test Procedure: 1. Disconnect fuel solenoid wire 64A to prevent starting. 2. Set TEST SELECT switch to 69. 3. Press and release TEST button. 4. Crank the engine and observe the displayed vottage. Control Functions: 01.02, 03,04, 06 Possible Error Messages: None. 2-498