Thread: External Tachometer Signal Pick up
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Old 04-28-2020, 12:12 PM   #5
Cechk01
 
Drives: 2016 Camaro 2SS M6
Join Date: Mar 2019
Location: Raleigh
Posts: 56
Tach on the SS runs off the camshaft position sensor signal.

there are details about the tach signal in this TSB (PIC6299A) about an erratic tachometer

https://static.nhtsa.gov/odi/tsbs/20...26988-9999.pdf
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