fuse 25 firstly feeds the power to contact of the efi relay and from other side of contact it feeds the 8 fuel injectors,ignition coil terminal + ( one wire of .5uf noise suppressor is on this terminal) ,ignition module on term 15 and the coil of the engine cooling relay.Also it feeds 12v to the engine management computer on terminals d1 ana d7 If it does it without having the start the engine(just with key on so idiot lights come up on dash) start disconnecting things I have mentioned until it doesnt