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Shift Light Chevrolet Blazer S15

Shift light may be used on vehicles equipped with manual transmission. Light indicates best transmission shift point for maximum fuel economy. Power for light is supplied through GAUGES fuse. Light illuminates when PCM/VCM supplies a ground circuit for bulb. For wiring reference, see wiring schematics under MISCELLANEOUS PCM/VCM CONTROLS in SYSTEM/COMPONENT TESTS article.