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Recent Forum PostsI was going on experience. When I first started my car the tach jumped up and down all the time. I remade the harness ensuring proper connection and the rpm gauge was back to normal. 
So where can i find that at?? The car did start and run funny but it needs a tune. 
Yes. It is not just 90 cars. You have that confused. 1990 cars have a different Tach output and power transistor. Most all 1G and 2G's have that little filter. If it's not connected then it will not... 
