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enaberif · 03-21-2009, 11:17 PM

Most of our trucks have a grounding block under the dash on the left side and has about 6 spots.

And if you look at your fuse block up near the top you'll see one labelled "Acc" this is for accessories like your tach.

03-21-2009, 11:17 PM	#4
enaberif Registered User Join Date: Jan 2009 Location: Calgary, AB Posts: 1,181	Re: tach install questions Most of our trucks have a grounding block under the dash on the left side and has about 6 spots. And if you look at your fuse block up near the top you'll see one labelled "Acc" this is for accessories like your tach.