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longhorn71 · 01-16-2005, 05:15 AM

I have a 1981 blazer.I want to put a tach cluster in it.It has a gauge cluster in it now.what do in need to swap this cluster in to it?IS The wiring harness the same exepted for the tach wiring?The cluster I have is from a 75 truck will it still work and macth the wiring in the 81?any help would be great Thanks DEAN

01-16-2005, 05:15 AM	#1
longhorn71 Senior Member Join Date: Sep 2004 Location: CANADA Posts: 1,681	tach dash question I have a 1981 blazer.I want to put a tach cluster in it.It has a gauge cluster in it now.what do in need to swap this cluster in to it?IS The wiring harness the same exepted for the tach wiring?The cluster I have is from a 75 truck will it still work and macth the wiring in the 81?any help would be great Thanks DEAN