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Home >> Oldsmobile >> 1982 >> Toronado 5.7L Eng VIN N >> Repair and Diagnosis >> Electrical >> Body Electrical >> Switches, Gauges & Instrument Panels OLDSMOBILE >> Testing >> Temperature Gauge

Temperature Gauge

  1. With ignition on, disconnect wire at sending unit. Gauge should read 100°F. Ground sending unit wire. Gauge should read 280°F. If gauge reads both temperatures correctly, replace sending unit.
  2. If gauge did not read temperatures correctly, remove gauge from panel and check wiring from gauge to sending unit. Repair if necessary. If wiring okay, connect 12 volts to 12 volt terminal on gauge and ground other terminal.
  3. If gauge does not read 100°F, replace gauge. If gauge reads 100°F, connect a jumper wire from sending unit terminal on gauge to ground terminal. If gauge does not read 280°F, replace gauge. If gauge reads 280°F, check circuit board and connectors for open circuit.
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