Train horns

5

Asked by Jul 04, 2016 at 12:13 AM about the 2010 Ford F-150 King Ranch SuperCrew LB 4WD

Question type: Maintenance & Repair

My compressor on my train horn set went out a
couple of months ago. I've had problems with the
shop that sold em to me with getting a new
compressor. It took about 4 months for them to
finally give me a new one. Throughout that time
the horns themselves were still mounted on. I
installed the compressor and it sounded fine, but
as soon as I hit the switch for the horns to blast,
nothing happened. I guess there's a problem with
the horns? Can anybody help? I don't want to go
back to the shop to wastep more of my time.

7 Answers

105,265

Moisture is a real killer for these systems, a lot of them loose the control electro valve to moisture and corrosion so make sure you are getting power to the control valve and if so then that is the most likely suspect, of course moisture could have damaged the actual horns themselves but you need air to find out.

Best Answer Mark helpful
5

So how do I check if the valve is functioning?

105,265

It should click when power is applied, if it don't then you can take it off and see if you can free it up with some WD 40, but usually it has to be replaced.

5

Thanks you really helped alot, I was thinking on buying the whole horns and valve. Just one more question, if it doesn't click, where do I apply the WD-40?

105,265

Right down the throat of it, let it sit a bit and give it is try.

5

Will do first thing tomorrow, thanks!

105,265

Hope it works.

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