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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	#4
GUMP VIP Member Join Date: May 2002 Location: Shelby, NC Posts: 1,817 Likes: 2,157 Liked 2,336 Times in 549 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.