That will work fine.. Ground is ground, as long as you have clean secure connections.. On the other hand, cable harnesses are not a big deal to get into, tie-wraps and wire loom are pretty cheap.
2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2018 Robalo R180 CC, Yamaha 115
Bitter Gun Owner