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More electrical problems

  • Thread starter Thread starter MBanks
  • Start date Start date
M

MBanks

Guest
My '81 850L has been giving me some strange electrical problems. Sometimes, I turn the key and all the lights turn on normal. Sometimes, I turn key and nothing happens. WHen this happens, I would bridge the starter relay, which sometimes caused the lights to come on and stay on. This was the way i have started my bike too, when on the fritz. Sometimes, bridging starter relay causes only the neutral indicator to come on, but only while relay bridged. Cannot get bike to start then. Battery good for sure. Any ideas what is going on? Really don't want to take to a mechanic, but have been having problems for long time now, can't explain. Greatly appreciate any help.

-MBANKS
 
If you haven't already done it, start in the headlight bucket and working to the taillight CLEAN all your electrical connections. Use some dielectric grease once you get them clean. Sounds like you have a bad ground or loose,dirty connection.
 
Don't think its dirty connectors, as i have had it running before. Had to put a new r/r in, but i reconnected everything good. I'll check those grounds.
 
Do you have a wiring diagram and a multimeter? Start checking your circuits for continuity. If you think the problem is in the starter circuit, then start there.
 
MBanks said:
My '81 850L has been giving me some strange electrical problems. Sometimes, I turn the key and all the lights turn on normal. Sometimes, I turn key and nothing happens. WHen this happens, I would bridge the starter relay, which sometimes caused the lights to come on and stay on. This was the way i have started my bike too, when on the fritz. Sometimes, bridging starter relay causes only the neutral indicator to come on, but only while relay bridged. Cannot get bike to start then. Battery good for sure. Any ideas what is going on? Really don't want to take to a mechanic, but have been having problems for long time now, can't explain. Greatly appreciate any help.

-MBANKS
Click to expand...

When you say "bridging the solenoid", I gather you mean the starter motor cables, not the starter button wires. Correct.

But either way I dont see how that would effect the other problem...other than just maybe the mechanical shaking of things and some loose connection making back up.

You say "sometimes", does that mean sometimes everthing is okay? Or is it always not good, and sometimes its like you described and bad in a differnt ways other times?

When this problem occures ... tell us all what works and what doesnt work. Headlight, instrument lights, netural/gear light, tail light, horn, brake light, starter button (ignition would be another thing but cant really tell). Maybe then we can detect if it is things that are all on one fuse (in which case problem maybe in the power wiring at/from that fuse) or if it is things on different fuses (in which case maybe power to the fuses, or ground problem).

At the moment my suspecison is eiter a bad connections at battery, or bad ground connection somewhere, or bad connection of + to the fuse box. BUt tell us more, see if we can narrow it down.

And tell us if you have a meter and if you have a schematic.

Your name seems somewhat familiar, have I already sent you a schematic for GS850G/GL? I have one avaialble I could send (PM me your email, will check back this afternoon). And there maybe one avaialble on the BassCliff BikeCliff site.

.
 
Last edited:
MBanks said:
My '81 850L has been giving me some strange electrical problems. Sometimes, I turn the key and all the lights turn on normal. Sometimes, I turn key and nothing happens. -MBANKS
Click to expand...

This sounds like a bad ignition switch; are you sure you are not turning it to park?

MBanks said:
WHen this happens, I would bridge the starter relay, which sometimes caused the lights to come on and stay on. This was the way i have started my bike too, when on the fritz. Sometimes, bridging starter relay causes only the neutral indicator to come on, but only while relay bridged. Cannot get bike to start then.
-MBANKS
Click to expand...

Not sure what you mean by bridging?? But by the symptoms sounds like bad ignition switch still :cool:
 
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