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Old 07-20-2018, 06:26 PM   #3
solidaxel
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Join Date: Dec 2002
Location: Cactus Patch So. Az
Posts: 4,749
Re: Aftermarket Electric Speedometer

I have a combination of a 2003 4l60E and a late model LS3

Thanks with that info I think I can answer his questions


I don't have the ECM in front of me but is a new ECM and the engine runs and the trans shifts, working on the dash speedo and Tach next
I can get an electric conversion for the tach but I can only use the stock speedo "Face"
which has a 180* sweep
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