My 1975 450SLC is having an engine electrical problem. The injectors and fuel pump are not getting power. I checked the fuses in the fuse block and they are all good. Is anyone aware of an in-line fuse or relay that could cause this type of problem?

The car has sat, covered for nearly a year. I found a squirrel had made a nice cozy home in the engine compartment. I’m hoping that squirrel didn’t have a taste for electrical wiring!