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You aren't going to find an cheap way to swap in an electronic speedo. you are limited to 90/91 Speedo and everyone knows about them so finding them are costly...This takes the electronic signal and coverts it to cable. (I sell these)http://www.dakotadigital.com/index.cfm/page/ptype=product/product_id=886/category_id=287/mode=prod/prd886.htm