No, they are not.
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the horn is easier to get to,if you remove the right side headlight housing!! then you can see horn.
# 8 15 A
relay for the horn is in under hood fuse box!!!on drivers side.
remove front headlight assembly to get at horn,it is down below light assembly..
That would be a relay, not a fuse.
relays are in under hood fuse box.
It is under the hood in front of the radiator.
right front below headlight housing,,,drivers side!!
first remove wire to horn. see if power is going to horn when horn button is pushed. if it does its a horn problem, if not it is probably in the horn button itself.
the horn is down under passengers side head light. if you remove head light you can see it. just look down.
hook back the horn 1994 chevolet lumina