SOHC.co.uk Forums > CB750
Wiring problem
sprinta:
First thing I did was the check the bulbs, both OK. As indicated 0V on the Brown wire to the bulbs but 12V on the Brown wire on the back of the ign switch. So will do some further tests/check over weekend to see why?
It only have the single fuse, so if that had gone nothing would work.
Underdog1:
I’ve got s little bit of wiring to do this weekend on the fuse box. Got some 1mm thinall wire rates to 16a, seems very thin. Anyone know what wire size we should be using on these bikes?
Lobo:
Hi Underdog. Given the fuse is rated at 15A, anything over this should be fine. Belt’n’braces wise I personally might have gone up a notch (1.5mm?); esp as you say, it’s such a small dia and so loom thickness is not an issue.
Lobo:
Sprinta... these of any use?
BigAl (Alan):
--- Quote from: Underdog1 on June 15, 2018, 09:10:53 PM ---I’ve got s little bit of wiring to do this weekend on the fuse box. Got some 1mm thinall wire rates to 16a, seems very thin. Anyone know what wire size we should be using on these bikes?
--- End quote ---
Try the 2mm thin-wall cable. The combined diameter (copper & insulation) of the original 1mm low temperature rated pvc cable is 2.3mm, as the 2mm thin-wall cable is 2.7mm. Very little difference with the overall harness thickness...current rating of 2mm cable is much higher, reduced volt drop issues and crimped connectors, particularly the insulation 'cord grip' are more secure when fitted to 2mm thin-wall cable than 1mm thin-wall cable (as image)
Alan
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