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 2002 IH 3800 DT466 Random beeper
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Posted - 02/21/2014 :  05:29:09 AM  Show Profile  Visit pcballoonpilot's Homepage  Reply with Quote
Hello All,
We have a 2002 IH 3800 with a DT466, we have a beeper that starts and stops at random times, it's the same beeper for low air, but the random times the beeper goes we have no dash idiot lights coming on.
Thanks in advance for your help

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Posted - 02/21/2014 :  06:44:32 AM  Show Profile  Reply with Quote
Likely needs a new dash.
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Posted - 02/21/2014 :  06:57:51 AM  Show Profile  Visit Oldiron's Homepage  Reply with Quote
The low air warning beeper is located below the dash above the steering column. We have had multiple failures of these units with bad solder joints on the inside, they will intermittently make contact internally while driving down the road and start randomly beeping, usually at a weaker inconsistant level but still beeping. We were replacing them only to find the replacements not much better so I have been opening them up and reflowing the solder joints and that usually does the trick. I believe the low oil pressure shares the same beeper if memory serves me correct.
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