Quote:
Originally Posted by SSDan
Cerino - I shared this in the other post you made about this but in case you missed it - below is a link to my thread that backs up what rcoe shared. There are a lot of pictures and descriptions for where and how to install an additional ground cable.
https://www.camaro6.com/forums/showthread.php?t=586153
Good luck and report back. |
Ok. This problem is actually on a C7 Corvette. Since they share the same engine and same RPM tach issue, I am doubling my resources trying to find the resolution. I don’t have a slow start issue. In fact the only issue I have is the annoying tach bouncing issue. When I first bought the car it was doing it and someone of the Corvette forum mentioned a little pigtail that could be broken off the negative terminal. They were correct and that pigtail was broken. I fixed it and the problem went away….for a month. Then it came back out of the blue. I have checked every single ground. Rechecked the pigtail and it’s still good. I put a brand new battery in it to eliminate that as a variable. The tach signal actually comes from the cam sensor. I am thinking about replacing that to eliminate that as a variable next. I’ve inspected all of the wiring that I could get my hands/eyes on and all looks good. GM should have done the tach signal to the instrument panel the same way they did the RPM to the ECM and this problem wouldn’t exist. If I ever find the problem I’ll report back with the fix. I’ve got some other tricks up my sleeve.