SOHC.co.uk Forums > CB750
earth cable
Graeme77:
Battery to battery box mount is what I thought. My main earth is good though so ill leave the extra one out.
that drawing helps too. Ive put the multi connectors in the wrong holders. They fell easier that way as I ran the wiring behind the fuse box.
Its not right, but neat enough and should all work.
Thanks for the help :)
martin_uk:
Here is my F1, used a star washer on rectifier mount plus extra earth
2014_0716brakes0037 by nitram2010, on Flickr
Graeme77:
Where did you run the extra earth to? Was there a problem before you did this?
martin_uk:
--- Quote from: Graeme77 on March 19, 2015, 05:08:13 PM ---Where did you run the extra earth to? Was there a problem before you did this?
--- End quote ---
The extra earth runs to negative on battery and another extra earth to one by coil mounting.
Its covered with black sheath and crimped non insulated 6mm ring terminals with a piece of heat shrink to tidy up, so is unobtrusive.
My concern was to make sure the rubber mounted battery/rectifier bracket was fully earthed.
Mainly a precaution based on previouse experience of earthing problems, which can be a pain.
AshimotoK0:
The black and white photo, Simon posted, shows the bare braided K0 earth cable. These are mega rare now NOS and the Yamiya repro, although cheap enough is sh*te. Second hand ones are always tarnished or totally sha**ed. I have done an 'anatomy' of the original (hundreds of tiny tinned copper wires inside a braided tinned copper sheath) and I am having some brass, then tin plated, terminals laser cut to make a proper repro of this part. Will be a few weeks yet before I have a sample. The later cables are made from the typical PVC sleeved, high current, cable, common to earlier Hondas. I have made a test setup to check the integrity of the soldering of the hundreds of wire cores. This consists of passing a calibrated 100A DC pulse down the finished cable and measuring the voltage drop (mV).
Ash
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