Matt Strange Posted August 31, 2014 Share Posted August 31, 2014 Does anyone know where the green earth wire from the main loom terminates?. It doesn't go back to the battery directly, there is only the thick black wire to the engine casing.Ta! Quote Link to comment Share on other sites More sharing options...
Stu Posted August 31, 2014 Share Posted August 31, 2014 Nope but a wiring diagram would probably help Quote Link to comment Share on other sites More sharing options...
Matt Strange Posted August 31, 2014 Author Share Posted August 31, 2014 I have both the official Honda workshop manual & the Haynes version, neither specify where the loom ground point is! Hoping that megawatt chap might know?I suppose I can ask at Harpers of Cowley on my way home tomorrow... Quote Link to comment Share on other sites More sharing options...
Stu Posted August 31, 2014 Share Posted August 31, 2014 99% of the time you don't have a ground direct to the frame its via the battery or on a multi plug to the main earth wire that runs from the battery Quote Link to comment Share on other sites More sharing options...
Matt Strange Posted August 31, 2014 Author Share Posted August 31, 2014 Well you see... I've taken the main battery earth lead off to clean it when I first got the bike, there was definitely nothing else attached to it and it runs directly from the - terminal to the engine block by the starter motor.The loom has to have a separate ground point somewhere, every circuit on the bike has a green coloured ground wire and they all appear to be be connected together via soldiered joints (afaik). Quote Link to comment Share on other sites More sharing options...
Stu Posted August 31, 2014 Share Posted August 31, 2014 Could possibly be through your starter solenoid? Without seeing it or a wiring diagram I am just guessing Megawatt will know for sure seen as though he owns one Quote Link to comment Share on other sites More sharing options...
Matt Strange Posted August 31, 2014 Author Share Posted August 31, 2014 (edited) Here's a pic, main battery negative lead is no:7 on the drawing. If there was a separate loom ground wire that ran back to the battery, surely it would have to be connected either at the same 2 points as the main earth lead i.e at either end, or directly to the wire itself in the form of a splice?. Edited August 31, 2014 by Matt Strange Quote Link to comment Share on other sites More sharing options...
Matt Strange Posted August 31, 2014 Author Share Posted August 31, 2014 Could possibly be through your starter solenoid? Without seeing it or a wiring diagram I am just guessing Megawatt will know for sure seen as though he owns one Ta for the suggestion but I can't see how it can be, the solenoid isn't connected to the frame (a rubber mount to the plastic under tray, item 9 in the above drawing) and it only has positive connections apart from the earth from the reg/rec which disappears back into the loom - where it goes, ??!! Quote Link to comment Share on other sites More sharing options...
Stu Posted August 31, 2014 Share Posted August 31, 2014 It could be internal to the earth connection on the solenoid so you won't see it but I am just guessing Yeah the usually are spliced in the the main earth wire at the battery end Quote Link to comment Share on other sites More sharing options...
Matt Strange Posted August 31, 2014 Author Share Posted August 31, 2014 It could be internal to the earth connection on the solenoid so you won't see it but I am just guessing The solenoid is insulated via its rubber housing and it's mounted to the plastic under tray anyway, so it isn't earthed through the solenoid body. The earth wire just disappears back into the loom...... Quote Link to comment Share on other sites More sharing options...
Stu Posted August 31, 2014 Share Posted August 31, 2014 no what I mean is the earth may run in to the solenoid from the main look via the 4 thin wires from the loom and internally be connected to the main earth connection which you wont see if you get what I mean Quote Link to comment Share on other sites More sharing options...
megawatt Posted August 31, 2014 Share Posted August 31, 2014 It,s near the radiator top bolt on the left hand side of the steering head. Good idea to add an extra earth direct from the battery to the reg/rec wiring socket. Saves on replacement reg/recs. Quote Link to comment Share on other sites More sharing options...
Stu Posted August 31, 2014 Share Posted August 31, 2014 easy as that Quote Link to comment Share on other sites More sharing options...
Matt Strange Posted September 1, 2014 Author Share Posted September 1, 2014 Ta! I've already used another route for the reg/rec earth, otherwise it didn't want to output more than 12.8v @ 5,000RPM. Quote Link to comment Share on other sites More sharing options...
Matt Strange Posted September 1, 2014 Author Share Posted September 1, 2014 I bent down next to the left (fuel tap) side and had a quick look around the top of the rad, behind the horn mount etc, before things got dark - I couldn't see it. Do I have to take any fairings off to gain access to it? Quote Link to comment Share on other sites More sharing options...
megawatt Posted September 1, 2014 Share Posted September 1, 2014 Probably. Quote Link to comment Share on other sites More sharing options...
Matt Strange Posted September 3, 2014 Author Share Posted September 3, 2014 I'm just being lazy, I've had the bike in bits along with the car, sick to death of vehicles right now. The less I have to do to check this earth the better! Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.