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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - A/T >> Testing & Diagnosis (REATTA, Riviera, TORONADO & TROFEO) >> Status Light Indicators >> °C

Status Light Indicators: °C

Indicator light will be on when ECM commands 2nd gear. Light should only be on in 2nd, 3rd or 4th gear.