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Home >> Geo >> 1989 >> Tracker LSi, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Standard >> Testing >> Temperature Gauge (Spectrum) >> With Tachometer

With Tachometer

Disconnect negative battery cable. Remove instrument cluster assembly. Measure resistance between "IG" and "TU" terminals. Resistance should be 96.1 ohms. Measure resistance between "TU" and "GND" terminals. Resistance should be 101 ohms. See Fig 1 .

Fig 1: Checking Spectrum Temperature Gauge
G90H08882Courtesy of GENERAL MOTORS CORP.
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