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Are you referring to the activation solenoid that allows the air to go up to the horns?
IF SO, that is usually on the pump or next to it..........check there. You should be able to see the line out of it.
I am attaching a link to the Spartan Chassis Electrical guide for you. That should help. Please get back to me if you need more later as all follow ups are included in our fee. Print this out so you have it for later. http://www.spartanchassis.com/cps/login/UploadedFiles/0153-GG7%202005%20TRAVEL%20SUPREME%20K2%20042904_12720061017597280000.pdf
They are and that solenoid should be on or near that pump. You should see the air line coming out of it.
It can be, but many are a small separate pump just for the air horns.
HI my name is Robert...
I can try and help on this. Please keep in mind we try our best and both me and Randall have worked on many different RV's for all manufacturers and remembering location can be difficult on older models. I looked at the print which and to me it appears that there are electric horns and an air horn. the Electric horn would use a relay and the air horn would use a solenoid. From my experience the solenoid would be up front, under the front cap area, in the dash or in the front drivers storage compartment. The key is the solenoid would have a small air line and 12 volt DC wires going to it. Another area I would look is under the parking brake to see if they using a T going to that solenoid. Also make sure you have the air horn, one page clearly shows the relay and a circuit breaker and that would be an electric horn, page 88 in that manual. Also sometimes the wires will be labeled with a number the air horn if you had it would have a black wire and the wire is marked SP122. Both the power and ground are black wires, but the one going to the solenoid will have the sp 122. Sometimes that number might be helpful chasing wires. We are not here to take advantage of you or take your money, we try our very best and if you are not satisfied please let me know. I only get credit when you select a rating. IF you want to check things out some more and get back to me that is fine, I am around daily and respond when I can.... Robert
Also below is a picture of what the solenoid would look like, it is pretty small so can easily be hidden... Robert
Hi was just checking in to see if my answer helped any. IF you would like me to put your question back up for other experts please let me know, I only get credit when you select a rating. Also feel free to contact me if you are not satisfied. Robert
Good job... That is what I would have probably would have done as well.
My goal is for you to be satisfied with my efforts, I try my very best but sometimes it is a challenge online. I would only get credit if you select a rating. IF you would like a refund I am fine in whatever you decide... Robert