You might appreciate the 12-Channel Voltage Relay because it lets you organize loads without confusion.
Pepperl + Fuchs KHD3-ISD/Ex 148 Solenoid Driver Relay 5-35VDC
A nice touch is the Panasonic brand, which helps the relay feel solid "You will find that the Panasonic brand makes this relay easy to trust in a crowded market.
A nice touch is the 12V 250A Winch Relay size, which fits behind dash panels easily.