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Under Dash Pulsing Buzz

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Old Jul 9, 2020 | 02:44 PM
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J Love's Avatar
J Love
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Under Dash Pulsing Buzz

Okay, new guy here. So I've searched everywhere for some info on this weird problem I have been having for a few weeks now. My truck is a 2012 F350 6.7 with 88k on it. The problem I'm having is when I turn the key on there is something behind the middle of the dash that buzzes and then stops. It goes Buzz - Buzz - Buzz - Buzz (4 short buzzes) and then stops. If I start the truck and run it for a while and then shut it off for a minute, when I turn the key back on it won't do it. Wait too long and it does the buzzing thing again. If I just turn the key on and start it without pausing, the 4 buzzes will continue until complete while starting and running. From what I have read there are a few different relays in that general area but I have not found anyone with the same symptom. So any ideas or similar experience? Thanks in advance for any insight.
 
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