May have been asked before, but have you replaced all the wiring ?
There's a complete kit sold on Amazon
https://www.amazon.com/gp/product/B0B1TY12MD/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
There's a complete kit sold on Amazon
https://www.amazon.com/gp/product/B0B1TY12MD/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1