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Weird fuse issue

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Old 09-05-2019 | 09:29 AM
RonRace's Avatar
RonRace
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Default Weird fuse issue

2015 Ram 2500. AC blower motor keeps shutting off on its own. Alls I have to do to get it running is remove the 40 amp HVAC fuse and reinsert it. I tried a new fuse, same problem so its not the fuse. Problem has progressively gotten worse over the last few months. The blower motor will shut off a dozen times a day. Sometimes if I just keep driving it will kick back on, on its own. Any ideas?
 
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Old 09-05-2019 | 09:37 AM
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dodgetruck2
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From: Parker, SD
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I might be mistaken but i don't think that fuse is for the hvac blower specifically but the hvac "control unit", and the unit itself acts like a resetting fuse for the different components could be due to high current draw from a failing blower motor, or could be an issue with the TIPM (or whatever its called now) as a whole, been a few years since ive owned a 4th gen so my thoughts might be off track

another thought next time it quits just tap the motor a few times and see if it comes back, also try cycling the key instead, see if the breaking power circuit is what it takes or actually powering off the unit
 

Last edited by dodgetruck2; 09-05-2019 at 09:39 AM.



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