Pump tach cable to which header? Pump fan or CPU fan.

Where to connect pump tach cable? Cpu fan header or pump fan header? Solved! Based on first time PC builders search I tried to share this information. Good luck with your newly Built PC. Sorry for the background noise there was some kind of insect outside making those noise! CPU - Ryzen 3600X Motherboard - MSI B550 tomahawk Aio Liquid cooler - Corsair H100x Have a great day : At 26 Subscribers.,