2003 BMW 325 ac blowing the ac fuse

2003 BMW 325
106,526 MILES • 6 CYL • 2WD • AUTOMATIC
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STARSKY12421
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ac fuse keeps burning after 10 min of replacing
Aug 8, 2009 at 6:32 PM
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DOCHAGERTY
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What # is the fuse and what is the capacity of the fuse?
Aug 9, 2009 at 12:12 PM
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STARSKY12421
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It is the # 5 fuse and it is in slot 28 there three fusses for the ac but that one is the only one burning out
Aug 9, 2009 at 1:53 PM
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DOCHAGERTY
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So its a 5 amp fuse in #28, is that correct?
Aug 10, 2009 at 2:28 PM
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PROFESSORHEADY
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Yes, it's the 5 amp, # 28 fuse. I am having the same problem as stated by the person before. Mine will run fine for 20 minutes, but as soon as I start to drive the car and hit the slightest bump, the fuse blows again. I've tried taking the AC Headunit out and making sure all the connections were snug, and no wires were stripped of their casing etc. Any idea's?
Sep 29, 2009 at 5:05 AM
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DOCHAGERTY
  • ✓ASE Certified Mechanic
  • 9,606 POSTS
  • ASE Certified Mechanic
This could be the head unit itself, measure the current flow at rest and if > 4 amps, replace the head unit.
Sep 29, 2009 at 9:12 PM
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