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gs750l blows fuse

  • Thread starter Thread starter i57chevy
  • Start date Start date
I

i57chevy

Guest
last night, on my way home, the lights starting getting dim and when I got home it died. It wouldn't start this morning, and then no electrics at all. I noticed that the main fuse and the ignitions fuses were blown. I'd hate to think that it had something to do with the rectifier I replaced a few months ago. The thing is the ignition fuse blows as soon as I turn the key to on. Do I just unplug everything behind the headlight and buy a bunch of fuses until it blows or doesn't blow?
 
The ignition and main are two separate circuits. The only place I can think of that they are in proximity is in the fuse box. On the back edge of your fuse box, you should see a seam and a couple of small indentions on the seam. I would take a small screwdriver and pop the back off the fuse box and check for internal corrosion. The circuits could be shorted in the box. If not that, the most likely cause is a "wear through" on the harness allowing a short to the frame. The most probable place that would occur is between the headlight and where the harness goes through the frame and under the tank. Steering flexes the harness and if the harness was routed incorrectly or too tight. it would eventually wear through. You will need to remove the tank to inspect that area clearly. Look for rub marks or cuts in the harness casing.
The charging circuit is separate from those two circuits and should not be involved or causing the problem. The charging system is input. Your problem is from excessive draw (short).

Earl
 
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I did a little more research. could the initial problem been r/r stator? Now so far what I found is the ignition plug melted. The side going away from the ignition has the bn, shorted to gr, and orange. That's as far as I got. I guess I was wondering if I'm chasing the cause or affect? on a car when everything starts going dim you think batt. or alternator.
 
If I remember correctly, on the switch, red is 12v+ input, orange is switched 12v+ output. I dont see how a stator/RR problem would cause your ignition plug to burn up, so I would have to say no for it being the cause. The output connections on your plug dont sound right, but I dont have adiagram for your bike. I would get a bunch of bullet connectors, eliminate the plug and reconnect the wires one at a time (turning on the ignition with each connection until I round the specific wire that was causing the problem. Then, it just a matter of replacing one wire between the problem point and whatever it supplies.

E.


i57chevy said:
I did a little more research. could the initial problem been r/r stator? Now so far what I found is the ignition plug melted. The side going away from the ignition has the bn, shorted to gr, and orange. That's as far as I got. I guess I was wondering if I'm chasing the cause or affect? on a car when everything starts going dim you think batt. or alternator.
Click to expand...
 
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I cut the ignition wires from the plug cause it was melted, but I guess I need to look at the diagram and see which ones are supposed to be isolated with the switch out of the circuit. thanks. I probably won't mess with the bike anymore today.
 
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