I use this short flat cable with my P6K.
https://www.amazon.com/dp/B07THFJ1J5/ref=cm_sw_r_cp_apa_i_9ITKFbC11SNQN?_encoding=UTF8&psc=1
This one right here... https://www.amazon.com/gp/aw/d/B07THFJ1J5?psc=1&ref=ppx_pop_mob_b_asin_title