live in a SAFARI rv SAHARA model, 1995 32'. furnace would not lite removed from case to clean and trouble shoot for ignition problem. sail switch fell off mounting. reinstalled now no power. the book says where the fuse blocks are but i'm one fuse block short. there are 3 mounted in front under hood. the book says another one is next to a/c fuse box. its not there. would be gratefull for any suggestion. look everywhere am at a loss. the fan and thermostat use 12volts. first time on this forum....any forum not sure if i can find my way back. so my e-mail address is