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Merc 600 SCI IAC 1 Amp Fuse Install

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Old 05-24-2017, 01:55 PM
  #31  
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Originally Posted by 575cat
I could not find 1 amps also so I went with 2 amp .
Ebay them up "1 amp blade fuse"

http://www.ebay.com/itm/25-Pack-1-AM...YAAOSwImRYK1b8

http://www.ebay.com/itm/FUSE-ATC1-CO...sAAOSwNphWa2qH


Or get a kit of all sizes so you have them for future projects.

http://www.ebay.com/itm/180-Pack-ATC...UAAOSw7GRZEntt
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Old 05-25-2017, 04:25 PM
  #32  
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So if you burn a 1 amp fuse replace IAC , 2 amp fuse ? be nice to know the specs on these IACs what amps they draw .
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Old 06-27-2017, 09:15 AM
  #33  
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All In pm sent I see you have answered my question
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Old 07-19-2017, 07:34 PM
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Here we go
Attached Thumbnails Merc 600 SCI IAC 1 Amp Fuse Install-15005107276831220520934.jpg  
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Old 07-19-2017, 11:12 PM
  #35  
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You guys know this right --- under certain engine serial runs for the 600 sci thre was a Merc racing SB 2008 -05 circuit protection / starter / sense circuit Alternator / wiring harness that needed to be done ? It was on the recall list as well.

You better check to see if it was done. I ran a few of you guys serial numbers whom bought service manuals off of me and 2 out of 5 600 sci owners were not done that fell into the SB engine serial range. Just passing on the info.
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Old 07-20-2017, 10:21 AM
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Thanks for the info The ones I just posted will be going on 700sci
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Old 07-20-2017, 11:11 AM
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Is this 1 amp fuse mod only necessary on the 600 SCI or would a Merc 525 efi or 496 Mag share the same risk with the IAC?
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Old 07-20-2017, 12:06 PM
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Originally Posted by BUP
You guys know this right --- under certain engine serial runs for the 600 sci thre was a Merc racing SB 2008 -05 circuit protection / starter / sense circuit Alternator / wiring harness that needed to be done ? It was on the recall list as well.

You better check to see if it was done. I ran a few of you guys serial numbers whom bought service manuals off of me and 2 out of 5 600 sci owners were not done that fell into the SB engine serial range. Just passing on the info.
I think that was me, what do I need to do?
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Old 07-20-2017, 12:09 PM
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Originally Posted by TorchLK
Is this 1 amp fuse mod only necessary on the 600 SCI or would a Merc 525 efi or 496 Mag share the same risk with the IAC?
i havent heard of 525 and 496 having issues
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Old 07-21-2017, 10:59 PM
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Originally Posted by TorchLK
Is this 1 amp fuse mod only necessary on the 600 SCI or would a Merc 525 efi or 496 Mag share the same risk with the IAC?
I have definitely seen it on the 496 but not on a 525.
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