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Try connecting power directly to the horn and see if it goes off. If not, it would seem it needs replacing. If it works, maybe the horn switch on your steering wheel is broken. A simple process of elimination.
Sounds like a switch failure or a loose wire near the switch. A short wold have caused the fuse to blow. Remove the cover over the steering column and check the wiring
1 Check fuse. 2 Check connectors at the horn. Wiggle them to try and get it working. 3. Using a multimeter, check for 12V at the horn terminals when the horn button is pressed. If yes, then use a flat screwdriver to adjust the screw on the front of the horn. If no go, then you need a new horn. If you don't get 12V at the horn terminals, check the button contacts.
remove grill ck horns with jumper wires ck plug for power, if horns work .if horns dont work with jumpers replace . if no power ck fuse if good relay for signal and power if no signal when horn pushed either horn switch in airbag ,or cable reel witch need cked with special srs tools .
check horn fuse or relay in fuse and relay box (under hood). The fuse you can visually check by looking for a blown metal strip in the fuse (use chart on fuse box lid for labels). relays are more difficult to explain how to test. but they are cheap. you can try buying a new horn relay and installing it. after that, if it still doesn't work there could be a probably with the switch in the steering wheel. if it is i recommend you take it to a shop to diag and fix. worst case it could be a bad horn and/or elctrical wire and connection. A local shop could fix this. But check the horn fuse and relay that more than likely what it is.
Actually the horn buttons on the steering wheel break routinely, Un jam the button and replace it, You have to be brave though as the airbag has to be disconnected to remove the steering wheel
Double check the fuses. Also, there are usually TWO fuses for the radio. One has power when the car switch is OFF. This keeps the clock working and your radio presets set. The other is when you turn the key on. The horn not working can be tested if you have a 12V test light (Wal*Mart sells them...). Unplug the horn, hook up the test light, press the horn button. If the light glows, you've got a bad horn (go to your local junkyard for one). If not, recheck ALL the fuses. Good Luck
Start with the fuel cutoff......sometimes they need to be reset. Step 2 would be the the fuel relay.........I doubt that the fuel pump is not working as you said you can hear it engage. Let me know if you need anymore help.
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