I baught a cluster out of a 72 for my 70 and the circuits on the tape are diffrent . plug is even in a diffrent place than ive ever seen. ive had this truck for 30 years and have changed clusters more than once. didnt know they changed anything till 73 allmy diagrams are for a 70.

 

Welcome to FTE there, Pops.

Here is one for 1972. The 1970 was specific to that year. First year for the printed curcuit board but all by it's lonesome. 71 and 72 were then the same.