I have checked all the lines switched the wires around and even made a new ground. Only one horn toots until there is less pressure in the tank then it finally sounds like a loud fart after a bowl of chili. I like these horns. They are my second set but I don’t know where to look now. Could it be too much pressure or the solenoid is bad? Please help me with this. I hate having things that don’t work on my truck.
Have a blessed day.