hey guys my tachometer stops working after at most ~2 minutes of starting the car and then the inspection light starts blinking. with the tachometer dies mpg gauge also.
the first thing that came to my mind was SI board batteries. at first it made sense as I figured the fact that tach works fine everytime i start the car indicates that batteries retain some charge while the car is off. also i noticed that the amount of time tach works after car starts is decreasing.
i searched the forums but couldn't find a case where tach first works for a while every time then stops. everything else is working on the cluster. can it be the batteries? any suggestions is appreciated.
if it's the batteries, do you know if all SI board batteries are soldered? i have a 89 325i if that helps
ahmet
the first thing that came to my mind was SI board batteries. at first it made sense as I figured the fact that tach works fine everytime i start the car indicates that batteries retain some charge while the car is off. also i noticed that the amount of time tach works after car starts is decreasing.
i searched the forums but couldn't find a case where tach first works for a while every time then stops. everything else is working on the cluster. can it be the batteries? any suggestions is appreciated.
if it's the batteries, do you know if all SI board batteries are soldered? i have a 89 325i if that helps
ahmet
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