Relays DO go bad. However most replays in the s-series are very similar. Easiest thing to do is to take a suspected bad one and replace a known good one with it. If what the good relay operates still works then the suspected bad replay is good.
Yes it does power has to go thru it first and if current is to high it will blow the resister as like a fuse
We will need to know the vehicle year, make, model and engine and which fuse or relay you are looking for.
fuse won't be connected together, you'll see a gap.
Sounds like a relay, which should be near or in the fuse box.
pulls out like a fuse
If your Geo is like mine (a 1997 Metro) there is no fuse for the horn. There is a relay located on the top of the fuse box, it is the second one back from the firewall. To locate it put your hand above the fuse box, push the horn button and you will hear and feel a clicking sound. If you hear and feel the click the relay needs to be replaced. They simply unplug like a fuse.
In the main fuse box under the hood. Should say something like H/L Relay on the fuse diagram (inside the lid).
Sounds like a short.
A fuse and a relay are two different items. There are many fuses and relays in that Sonoma. Need to know which one you are looking for.
blow jods are awesome. almost as good as blow jogs. not quite as good though.
The information of, if the fuse is a slow blow or not, is printed on the fuse. In electrical terminology it is known as a time delay fuse. Smaller glass envelope time delay fuses will have a spring mechanism that can be seen through the glass envelope. Time delay fuses are used in circuit that have a high inrush current when the device is first switched on. A good example of this would be an electric motor. The bead of solder on the end of glass fuses is how the spring is supported to the end cap of the fuse.
The Fuel Pump relay on this vehicle is located in the under the hood fuse block. It is labeled "F/pump" or something like that. It is next to "Prime". It is not in the fuel tank. It is a relay, not a fuse.