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  #1  
Old 09-22-2010, 11:04 AM
thayer's Avatar
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16 gauge fusable link on # 11

83 300sd

I am upgrading my #11 fuse. It handles the blower and compressor amongst other things.

I am confused about 1 wire on the cold (or receiving side) of the fuse.

It is a black 16 guage fusable link labeled "fuselink 16g".

It is wired from the cold side of # 11 to the cold side of #7. It is currently melting where it meets the cold #7.

When I upgrade to vstech's breaker box style fuse I need to know what to do with the fuselink.

It may very well be that a PO's mechanic did this and if that is the case, I would love to undo and put it as close to an MB style upgrade as possible without dropping 60$ for two wires and a fuse.
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77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg

Last edited by thayer; 09-22-2010 at 11:05 AM. Reason: added which car I am working on
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  #2  
Old 09-22-2010, 01:17 PM
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It sounds like it *could* be related to the fact that the blower motor used to melt its fuse in the box as it aged. The factory modification was to install an external 30 amp strip fuse in a rubbery/plastic-y holder to power the blower motor. This may be somebody's own attempt at this solution, but I don't know.
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  #3  
Old 09-22-2010, 01:37 PM
thayer's Avatar
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The factory upgrade may cause the heat to disperse at a different location than the stock location, IDK.

Deleting the fuselink disables something that shuts off the whole circuit.
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77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg
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  #4  
Old 09-22-2010, 01:37 PM
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Location: WA
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I do not remember any wires or fuseable link in my 84 300SD fuse box. I have been in there 2 times so far and will be going into 1 more time to replace the fuse for the blower motor assembly with a inexpensive metal box circuit breaker instead of the $60.00 MB part with the glow plug like strip fuse.
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  #5  
Old 09-22-2010, 02:26 PM
thayer's Avatar
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Location: Mt. Airy, NC
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I think I need a wiring diagram for the 83. That way I can undo, then redo.
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77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg
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  #6  
Old 09-22-2010, 04:38 PM
toomany MBZ's Avatar
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Join Date: Nov 2006
Location: central Va
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I don't have anything like that on mine.

An electrical diagram is on the cd-rom, FSM, if you can find one.
Attached Thumbnails
16 gauge fusable link on # 11-fuse-box-001.jpg   16 gauge fusable link on # 11-fuse-box-002.jpg  
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