Just a thought but might want to check the wire harnesses going to your neutral safety switch on drivers side of the trans where the linkage hooks up. Sometimes the harnesses become loose and the gear shift light will not work. On some models the signal for this light comes from here.
how to replace instrument panel gear shift back light (illumination)
2004 Chevrolet Silverado 1500 RWD
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Maintenance & Repair
My 2003 chevy silverado has a newly rebuilt tranny by well recommended shop it shifts hard from first to second and will not kick down to passing gear
2003 Chevrolet Silverado 1500 Extended Cab 4WD
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Maintenance & Repair
My truck went move when I shift it into gear but after several attempts of shifting it finally goes into gear and drives like the day I bought it. It clicks when I move it while it's in reverse but...
2008 Chevrolet Silverado 1500 1LT Extended Cab 4WD
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Maintenance & Repair
Why does my truck not move when I shift it into gear
2002 Chevrolet Silverado 1500 LS Extended Cab RWD
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Maintenance & Repair
have a 2003 Silverado and the panel light for the drive light is dim. I want to know how to make it brightly lit again.
2003 Chevrolet Silverado 1500 LS LB RWD
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Maintenance & Repair
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