Visually check that fuse, and clean the ones in the front fuse box as well for good measure. If you find no problems there, check the klima relay after you establish that is has a static charge of 60psi.
Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.