Uploaded February 2021 | Updated September 2026, 6 hours ago
Most people don't know about the hidden tachometer on most GM trucks but it's there. Just hit the light and wipers buttons really hard at the exact same time and it changes over to tach mode.
Too, you have to do a quick bit of trig to convert the speedo numbers to RPMs but there is an ap for Android for only $79/month, or iPhones for $39/week Pass the word and thanks for tuning in ! Don't forget to subscribe for more life changing videos like this one!!
Most people don't know about the hidden tachometer on most GM trucks but it's there. Just hit the light and wipers buttons really hard at the exact same time and it changes over to tach mode.
Too, you have to do a quick bit of trig to convert the speedo numbers to RPMs but there is an ap for Android for only $79/month, or iPhones for $39/week Pass the word and thanks for tuning in ! Don't forget to subscribe for more life changing videos like this one!!
