TM 10-3930-669-20 4.  TRANSMISSION TEMPERATURE GAUGE GIVES NO OR INCORRECT READING (CONT). KNOWN INFO All other gauges operate. Transmission temperature sensor OK. POSSIBLE PROBLEMS Gauge wire 5 faulty. Gauge ground wire faulty. Wire 15 faulty. Transmission temperature gauge faulty. KNOWN INFO All other gauges operate. Transmission temperature sensor OK. Gauge wire 5 OK. POSSIBLE PROBLEMS Gauge ground wire faulty. Wire 15 faulty. Transmission temperature gauge faulty. TEST OPTIONS Voltage test. STE/ICE-R #89. REASON FOR QUESTION If 22 to 24 vdc are not present , wire 5 is faulty. TEST OPTIONS Continuity test. STE/ICE-R #91. REASON FOR QUESTION If continuity is not present , gauge ground wire is faulty. ¬ ¬ 2-146

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