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GUMP · 04-09-2020, 10:34 AM

Is there an unused tach wire on the FAST harness? If there is, it would be worth trying before changing the tachometer.

04-09-2020, 10:34 AM	#2
GUMP VIP Member Join Date: May 2002 Location: Shelby, NC Posts: 1,823 Likes: 2,171 Liked 2,354 Times in 554 Posts	Re: Fast xfi rpm issue Is there an unused tach wire on the FAST harness? If there is, it would be worth trying before changing the tachometer.