A nice touch is the 12-Channel Voltage Relay, keeping your wiring neat while handling several tasks at once.
5Sets DC 12V Coil Power Relay LY2NJ HH62P JQX-13F DPDT 8 Pin 10A with Socket Bas
A that Dayton labels its relays clearly, so you don't have to guess at specs.
The relay and socket pairing makes troubleshooting easier you can swap parts quickly if something goes wrong.