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Discussion Starter · #1 · (Edited)
Hey guys i am having a problem, i removed my safc2 and now i cant get my tachometer to work. The car has sat for a while and its getting running again and i remembered that the tach would sometimes act funny before

The tach will sometimes bounce around when i have the key in the "on" position right before i start the car. Could this be a bad ground somewhere or should i check my ecu wiring again? I checked the wiring where i connected the safc2 to the ecu harness and everything seems to look ok. Any advice?

Also, when i first give the car power in the "on" position the tach will quickly move up to about 1k rpm, then drop down to zero and stay there when revving the engine.
 
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