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Just bought a 2010 f250 and I noticed that the warning chime works intermittently. I think this speaker or whatever it is also makes the turn signal noise because that sometimes is silent also. Anyone know where this thing is?
I was told it was way up inside the dash, and required a lot of work and time to get to it. I've never looked for it. I wanted to be able to disable mine so I could use the stereo while working on the truck, etc. with the doors open. I solved that problem another way.
Best guess is that it is controlled by the GEM (perhaps someone else could weigh in here). I would check for a loose fuse, then the connections at the GEM. Your truck shouldn't be old enough for a leaking windshield to have corroded the GEM connectors, but that could be it.
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