The relays will be in the first pictures.
They are CB1-P-12V ACB13101 80624M 2500.
There are 4 of those that are 40 amp for the bigger circuits.
There are smaller ones for the smaller circuits pictured below.
They are soldered in for longevity.
They have Life-Time warranty.
The Electronic flasher is removable and the fuses are regular blade fuses.
It has two 100 amp MIDI fuse that protect the power center.
