TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
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TM 9-2320-280-20-1 STARTER NEGATIVE CABLE VOLTAGE DROP TEST #69 Description: This procedure measures the voltage drop on the starter path. A high voltage (>2V) indicates excessive ground path resistance. Test requires DCA hookup only. Typical Applications: Check Starter Negative Cable Voltage Drop. Test Procedure: 1. Disconnect Fuel Solenoid wire 54A to prevent starting. 2. Set TEST SELECT switch to 69. 3. Press and release TEST button. 4. Crank the engine and observe the displayed voltage. Pre-Test Procedures: Run Confidence Test. Control Functions: 01,02,03,04,06 Possible Error Messages: None 2-742