Unplug the horn
If the fuses do not blow & you have
battery voltage at the wire connector
you took off, when pushing the horn
pad, then replace the horn
If the fuse blows with the horn out of the circuit,
then you got to do some testing for a short in the
wiring or horn button area.
Personally I would start by looking at a wiring diagram,
so I wasn't guessing at where I'm about to do my testing.
SOURCE: Chevy silverado keeps blowing fuses
sounds like a mouse has got in and chewed the cables,their is no easy fix from what i can think of but check all the wires and connections in case water has got into it,or snow if your in alaska.its fifteen years old now so its possible that some insulation has broken down or a wiring loom has chaffed somewhere underneath
SOURCE: 90 chevy silverado lights not working
You must have a bare wire at the back of your truck that's shorting out where gravel stones have pounded the outside coating off. If you have an after market trailer plug on there, you might want to check that out too. The connections to your main wires from the trailer plug, are never done properly, and always cause problems somewhere.
SOURCE: 2000 Chev 2500 Silverado horn replacement
you have a short circuit in the line you must check it
SOURCE: I lost my head lights, dome light, horn door
sounds like you have a bad ground somewhere. Check every ground strap that you can find, make sure it's tight, and not corroded, etc. Sounds like the accessories are trying to find a ground, and going through the brake light to do so, thus burning out from too much current.
SOURCE: The fuse for the horn keeps blowing. Any reason
Most common problem is the ground that the horn connects to wit the bolt is rusted and causes it to pull to much amperage so clean the contact first then if it still blows the fuse then the horn relay or the horn may be going bad.over time the horn gets junk in it and causes the coil to overheat and causes it to burn out. Horns cost $15.00 for a new horn and are easy to change. I doubt the relay is bad but it is always possible.
Testimonial: "Thanks very much. I will give it a try. thank you"
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