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2003 BMW 325 AC blowing the AC fuse

Tiny
STARSKY12421
  • MEMBER
  • 2003 BMW 325
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 106,526 MILES
Ac fuse keeps burning after 10 min of replacing
Saturday, August 8th, 2009 AT 6:32 PM

5 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
What # is the fuse and what is the capacity of the fuse?
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Sunday, August 9th, 2009 AT 12:12 PM
Tiny
STARSKY12421
  • MEMBER
  • 2 POSTS
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
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Sunday, August 9th, 2009 AT 1:53 PM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
So its a 5 amp fuse in #28, is that correct?
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Monday, August 10th, 2009 AT 2:28 PM
Tiny
PROFESSORHEADY
  • MEMBER
  • 1 POST
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?
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Tuesday, September 29th, 2009 AT 5:05 AM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
This could be the head unit itself, measure the current flow at rest and if > 4 amps, replace the head unit.
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Tuesday, September 29th, 2009 AT 9:12 PM

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