here i have a question to ask all sifu..me using 20v eng.but using all seg dashbod & meter.but my meter not functioning..why aa..my speedo & rpm not functioning..i send for wiring they said my speed sensor locate at gear box already spoil..so if i buy rsm meter can the rsm read for speed & rpm ..now i running my car without speedo & rpm..but fuel meter & temp ok..just need to know if put rsm can it work..