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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 95 (Instrument Panel - Analog) >> Operation >> Indicator Lights >> Up-Shift (M/T)

Up-Shift (M/T)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Sonoma, 1999 GMC Jimmy, 1999 GMC Envoy, and 1999 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Light Emitting Diode (LED) illuminates to tell driver when to upshift for best fuel economy. LED is controlled by Instrument Panel Cluster (IPC). LED illuminates when IPC receives Class 2 data from Vehicle Control Module/Powertrain Control Module (VCM/PCM) if parameters are met. VCM/PCM monitors engine speed, load and throttle position for light control.