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I'm switching over the dash and cluster on my 68. Problem is neither the shop manual or separate wiring diagram booklet show the XR7. I know I need at least a tach harness, but more importatnly can anyone direct me to a XR7 wiring diagram?
 

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As far as I know the entire wiring harness for an XR7 is different than the standard so you will have to change all of your interior wiring. I though about doing this years ago on my 70 and ended up just taking the clock out of my standard dash cluster and replaced it with an XR7 tach. Only had to add the tach wiring to make it work. Just my 2 cents.
:)
 

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Sorry

Yes the harness is completely different, but it can be done. espacially if you have a freind with a working xr7 cluster so you can find the voltages.
 
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