megane f7r problem

[renault - sport BG]

Hi, this is megane couch f7r 97'a problem in the tachometer does not work, I will open the connector for diagnostics,starts working,
and after a while stopped.If anyone has ideas please share.

 

[Jaff.]

More than likely the speedo cable. Or if its run by abs then possibly a cracked ring or duff sensor on the front

 

[renault - sport BG]

cable whence taking signal alternator How to check if the cable?

 

[Jaff.]

Sorry I have no idea what you mean. Just a case of changing the cable or the sensor on the box