Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post

g6civcx · 12-16-2009, 10:52 AM

What engine is in the car?

You can try connecting a service tach and check the output signal. If the service tach also jumps around then the problem is in the sender.

If the service tach works fine then the problem is in your wiring.

12-16-2009, 10:52 AM	#4
g6civcx Post Whore! Join Date: Apr 2004 Location: Virginia, USA Posts: 5,764 Trader Rating: (5)	What engine is in the car? You can try connecting a service tach and check the output signal. If the service tach also jumps around then the problem is in the sender. If the service tach works fine then the problem is in your wiring.