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#1 |
![]() Join Date: Jan 2024
Location: Boston, MA
Posts: 197
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For a 94 is the stock shift light on the dash programmable in the ECM tune, or part of another module? I realize it isn't the best and I'll likely get something standalone down the road, but hey it's there so why not?
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1987: Z51 Coupe, Z51, 4+3, Yellow / Graphite, 310 RWHP 350ck L98 1994: ZR-1 #150, Admiral Blue / Black, 445 RWHP 350ci LT5 2015: Z06 Coupe, Z07, M7, Arctic White / Red, Stock LT4 |
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#2 |
![]() Join Date: Aug 2005
Location: Fishers, IN
Posts: 812
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#3 |
![]() Join Date: Aug 2005
Location: Fishers, IN
Posts: 812
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Interestingly GM turned it off on all the later service calibrations. Not sure why.
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#4 |
![]() Join Date: Jan 2024
Location: Boston, MA
Posts: 197
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#5 |
![]() Join Date: Aug 2005
Location: Fishers, IN
Posts: 812
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If you want the shift light to come on above 6375 rpm, you have to change the operating code to read the ROM address for Rpm/31.25 rather than RPM/25, which maxes at 255(d) or 6375.
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