Blue Sea Systems - Innovative Electrical Systems — Built Blue Sea Systems designs and manufactures AC and DC electrical products engineered to withstand the demanding applications in Marine and Specialized Vehicle electrical systems. Products are shipped from the company’s Bellingham, Washington manufacturing facility to distributors and original equipment manufacturers worldwide.Panels · Fuse Blocks · Systems Gallery · New Products · Contact · Installation Gallery Accessory wiring with Blue Seas fuse block | Toyota Tundra Mar 11, 2019Let me start off by saying I am a noob at electrical wiring especially automotive wiring. I purchased a blue seas fuse block to install multiple accessories to (see below). I want all accessories to require Ignition on to power up. It is my understanding if I run all my wiring to the Blue Seas fuse block I should be able to accomplish this.