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electrical issues

  • Thread starter Thread starter taylorgaz
  • Start date Start date
T

taylorgaz

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Happy new year to all,
81gs1000g
I welded the frame some time back and forgot to disconnect the battery so i fried the battery. got a new battery and didnt start since. all my lights,horn,indicators, fuses and starter work fine but i have no spark. when trying to start the battery just drains out. pretty sure i fried the stator,reg/rec,coils,dyna ignition . Could someone please contirm this.
I have a new 6 wire reg/rec(red,black,green,3xyellow wire).Any ideas on the correct way to connect this?.
many thanks in advance,
 
taylorgaz said:
Happy new year to all,
81gs1000g
I welded the frame some time back and forgot to disconnect the battery so i fried the battery. got a new battery and didnt start since. all my lights,horn,indicators, fuses and starter work fine but i have no spark. when trying to start the battery just drains out. pretty sure i fried the stator,reg/rec,coils,dyna ignition . Could someone please contirm this.
I have a new 6 wire reg/rec(red,black,green,3xyellow wire).Any ideas on the correct way to connect this?.
many thanks in advance,
Click to expand...
Step 1; take new R/R far away from bike till you get bike to run so as to not damage it till you sort things out. Follow the link to Basscliff's site and review the not starting tests. A electrical spike might have knocked out your ignitor, but let's hope it's just a loose connection.
 
Thanks for the reply but my bike doesnt have an ignitor,I have gone through the wiring on the bike and no ignitor. Is this sometimes a normal practice or what is going on with the wiring.The bike ran fine for two years before i blew the battery
 
Your bike uses points and condensers? or has someone converted it to an aftermarket ignition system?
 
it has a dyna ignition system. does this replace the ignitor?
 
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taylorgaz said:
Thanks for the reply but my bike doesnt have an ignitor,I have gone through the wiring on the bike and no ignitor. Is this sometimes a normal practice or what is going on with the wiring.The bike ran fine for two years before i blew the battery
Click to expand...
OK, take off signal generator cover (small round cover engine lower right) and tell us what you see. Something has to make spark somehow!

I'm still having trouble wondering why battery blew when you were arc welding, but it's still early.

Update; yes the dyna replaces the stock ignition setup
 
Last edited:
i have a dyna ignition with two red ,a black and a white wire. the black and the white are going to each coil. the two reds are joined and are not connected to anything?
 
Cheers for the diagram, I finally got spark and the bike started up,Now just to connect the r/r. i understand the 3x yellow wires connect to the stator in any order, the red to the battery positive.Now i have a black/white and a green left.Some diagrams show the green as earth and others show the black as earth.The bike was rewired before so im not sure which diagram is correct for the year.
 
taylorgaz said:
Cheers for the diagram, I finally got spark and the bike started up,Now just to connect the r/r. i understand the 3x yellow wires connect to the stator in any order, the red to the battery positive.Now i have a black/white and a green left.Some diagrams show the green as earth and others show the black as earth.The bike was rewired before so im not sure which diagram is correct for the year.
Click to expand...
Is this a Shindengen brand R/R? maybe Chinese knockoff? green is earth, black/white wire (is it smaller size?) is the sense wire. Review Basscliff's diagrams for where to connect the sense wire ( this tells the R/R what's happenning downstream.)
 
Back again, Seems i had spark only on #1+4,changed wiring on coils and have spark on #2+3 so coils seem ok, i only have 12 volts on the white wire on the dyna with ignition on. I originally suspected i had done damage by welding the frame without disconnecting the battery. Would a faulty stator cause weak or no spark? Or could a bad battery cause the problem, when i crank the engine the battery just drains out so i have recharged it a couple of times when testing for spark. I am working of a 79 gs1000 wiring diagram where one stator wire goes to the run switch and back to the r/r.
any ideas?
Cheers
 
You likely have multiple issues here, so approach things step by step. A bad stator would produce none or little power, but won't cause just one set of coils to not work. Connect all three stator wires direct to R/R, UNLESS you often run with headlight off. You need to review the charging system tests to make sure things are working correctly, or to pinpoint a problem. What brand of R/R did you get- any numbers, etc.?
An electrical spike that could blow battery could have impacted other stuff. Put you bike/model/tear in your signature to aid folks
 
taylorgaz said:
Back again, Seems i had spark only on #1+4,changed wiring on coils and have spark on #2+3 so coils seem ok, i only have 12 volts on the white wire on the dyna with ignition on. I originally suspected i had done damage by welding the frame without disconnecting the battery. Would a faulty stator cause weak or no spark? Or could a bad battery cause the problem, when i crank the engine the battery just drains out so i have recharged it a couple of times when testing for spark. I am working of a 79 gs1000 wiring diagram where one stator wire goes to the run switch and back to the r/r.
any ideas?
Cheers
Click to expand...
The white wire is the ground side for 1~4 coil. when the ignition 'module' isn't grounding the coil you 'will' have +12 volts indicated on the ground side wire. when the 'module' is grounding it, the voltage on the white wire will be at or near 0 volts and the ignition coil is building the magnetic field. when the module opens the ground side of the coil, the field collapses, spark is made and it will measure +12 volts again.

what wiring did you change on the coils? was it the orange wires or the black and white wires.

no, a faulty stator, nor a bad battery would cause the problem you are having. I would make sure that you have voltage being supplied to the positive side of both coils and the negative sides wiring is connected properly.
 
81gs1000g
I tested the stator and got no resistance but did get continuity between each wire,The coils have a resistance of 4.2 ohms each and fifteen ohms on the ht side,The r/r has no markings on it but im getting no continuity between earth and yellow wires, and no resistance, Im reckoning i need new stator and new r/r, If thats the case what make should i buy for each. Also if i connect the three stator wires directly into the r/r should i join the wire that was going to the run switch and back to the r/r together and keep the headlight on always?
Cheers
 
You need to head to Basscliff's site and look for "stator test" - excellent explanation of what you need to do to determine IF your stator is bad. The resistance ( wire to wire) of the stator is real low < 1 ohm and lots of meters will give crazy results. I'm suspicious of a R/R that has no markings- even the knockoffs that I've seen have numbers.
 
81gs1000g
I have 12volts on both positive sides of the coil with the ignition on. I have tried ever which way with the wiring and still only one coil is firing, I have swapped coils and wires around and i can only get one coil to spark. Im pretty sure the negatives are wired properly
 
Then it would sound like your Dyna ignition system has taken a hit. you might look into finding another one.
 
81gs1000g
I tried another dyna and got the same results. This is the way i wired it, white to coil 1+4, black to coil 2+3, two two orange /whites back to switched supply(tail light) and the reds spliced with the orange/whites. Is there a correct setting/position for the dyna or are they automatically adjusted
 
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