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Old 04-13-2013, 09:49 PM
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Join Date: Apr 2011
Location: SF, CA, USA
Posts: 928
schematic wire notations

hi folks,

what standard did MB use on their schematics to indicate wire size? here are some examples of what numbers i see:

battery-starter: 25
GP fuse-GPs: 4
horn switch-ground: 1.5
rear light assemblies-ground: .75

what units are these?
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Old 04-13-2013, 11:18 PM
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Join Date: Aug 2011
Location: Alabama
Posts: 28
The W124 manual indicates that it is the cross section in mm.

That would seem to make sense except for the battery-starter: 25
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schematic wire notations-wirediagram.jpg  
1995 E300D 309K Miles
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Old 04-14-2013, 05:43 PM
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Join Date: Apr 2011
Location: SF, CA, USA
Posts: 928
thanks rog-o. 25 mm2 in cross section is about 3 gauge, so i can believe it!
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