The white one is dealer plug/unused (below #28 mode selection coupler) , we need a schematic for this model.
The closed boxes are relays, good as they are:
Is there a tip over sensor in that needs horizontal position?
#27 = To = tip over? 🎯
I see it in your picture so it is there, but I think it should be like in the manual picture (UP)
I bought my bike without a TOS, so it was unable to start. There is controversy whether or not the TOS is desirable or not... Some have reported problems when getting the bike down low, or 12-o'clock wheelies. I even started a friends bike, and rotated the TOS while it ran, and it failed to...
www.gsxr.com
If there is no way to attach it to something you must be missing a box?
Do you have the colors of the 7 pin plug (white, ... ?)
If it is just the rear tail lights it should run without , maybe it was lost, see picture below.
(is under tank)
The control unit Fi ECU is not in the rear near battery?, should have more cables anyway.
Maybe another 600 owner knows it?,
I don't have that one on my 2014 1000
step 1, find the gsx 600 750 service manual PDF
mega.nz
Does anyone know where I can get a searchable copy of this manual? I keep scouring the internet and haven't come up with one. I don't have a searchable copy, but I re-ordered the pages and added loads of hyperlinks (link). Did you ever find a searchable manual??
www.gixxer.com
But that is no color and no schematic. (?)
Maybe a fiche shows a box in that location:
Suzuki GSX-R600 2014 – buy all your parts now in just a few clicks from Europe’s number 1 genuine spare parts online retailer
www.motorcyclespareparts.eu
is #15 missing
Suzuki GSX-R600 2014 Wiring Harness (GSX-R600) - order parts in just a few clicks from Europe’s number 1 genuine spare parts online retailer
www.motorcyclespareparts.eu
SUZUKI OEM REAR COMBINATION LEAD SUB HARNESS 2011 - 2016 GSX-R600 GSX-R750 Brand/Manufacturer: SUZUKI MFG Part Number: 36859-14J00 Removed From: 2011 GSX-R750L1 Fitment: 11 12 13 14 15 16 GSX-R GSXR 600 750 Material: OEM Condition Description: Good used condition, see pictures. Condition Scale...
www.stewartssuperbikesupply.com