The rubber on that grips is 13 years old. They are almost trashed by age.
You can buy complete genuine Buell heated grips kit N1050.1AK for this price with controller and hardware
https://shop.newcastlehd.com/catalog...?sku=N1050.1AK
https://www.sphdonline.com/products/...d-grip-kit-b5h
This kit has same shape grips and fresh rubber.