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Old 12-01-2009, 10:12 PM   #1
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horn blowing for no reason

was sitting in the house and my horn on my 01 psd started blowing for no reason does not have a security system that i know of and stops when i open the door and when truck is running when the door opens any ideas?
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Old 12-01-2009, 11:50 PM   #2
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I have seen vehicles do that when the battery gets low or it's extremely cold out.
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Old 12-02-2009, 12:09 AM   #3
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Maybe you have aliens in your neighborhood. . sorry I couldn resist.
Seriously Im subscribed to this to know that weird situatioin.
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Old 12-02-2009, 11:21 AM   #4
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you never know this truck is not your typical psd everytime i have a problem it isnt a typical or easy problem and aliens or gremlin's could be it! lol
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Old 12-02-2009, 01:31 PM   #5
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hhahaha, well it's not funny but kinda, brings back memorys.

question, was it raining or had it rained when this happened?

my old F-350 did this, in the middle of the night!!! scarred me more than once. after some research, I found that sometimes the windsheild can have a slight leak (poor sealing from the factory) and leak down onto the fuse box by your feet in the cab, and short out something in there. sure enough my fuse box was "damp". I thought about getting the windsheild replaced but I dried out the fuse box and it never happened again.

check and see if your fuse box is damp and report back.
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