My wipers, heater and windows wont work, what is the problem? on 1994 Mercury Tracer

fuse box is fine and i changed most of the relays.what else could it be?

Asked by for the 1994 Mercury Tracer
Sorry to say, but without checking with a volt meter of some kind, you don't really know... There can be fuseable links by the battery that have blown or the 40 - 80 amp main fuse also can go. You have multipul circuits not working so it isn't one fuse. There are probably two fuse/relay boxes...
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