I have a 72 gmc pickup truck,and I can't locate the wire that goes to the fuel gauge and connects to the sending unit ,can anyone out there help me with this problem


Thank you

Should be a Tan or Biege wire going from the Tank Unit to the Fuse Panel
Try:
http://www.google.com/imgres?imgurl=...&ct=image&cd=1

If you need the location of the wire, the inside tank runs up the driver side