TB-9-2320-335-13&P HMMWV Operator and Field Maintenance, Parts, Tools M1151A1 M1152A1 M1165A1 Download
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2-34 TB 9-2320-335-13&P ELECTRONIC SPEEDOMETER SYSTEM DIAGNOSTIC FLOWCHART NO YES NO 1 GO TO 3, Page 2-58 TEST OPTIONS MULTIMETER REASON FOR QUESTION No voltage at terminal indicates an open in the speedometer wiring harness. TEST OPTIONS MULTIMETER REASON FOR QUESTION No voltage displayed on multimeter indicates an open ground in the speedometer wiring harness. 2 START IS BATTERY VOLTAGE DISPLAYED ON MULTIMETER? IS BATTERY VOLTAGE DISPLAYED ON MULTIMETER? KNOWN INFO SPEEDOMETER INOPERATIVE OTHER GAUGES OPERATE NORMALLY SPEEDOMETER HAS POWER POSSIBLE PROBLEMS OPEN SHORT SPEEDOMETER SENDER GENERATOR SPEEDOMETER DRIVEN GEAR KNOWN INFO SPEEDOMETER INOPERATIVE OTHER GAUGES OPERATE NORMALLY POSSIBLE PROBLEMS OPEN SHORT SPEEDOMETER SENDER GENERATOR SPEEDOMETER DRIVEN GEAR REPLACE SPEEDOMETER WIRING HARNESS (Para. 4-18.1) REPLACE SPEEDOMETER WIRING HARNESS (Para. 4-18.1) YES