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80 GS1100E how to shut off battery light ?

  • Thread starter Thread starter Katarat
  • Start date Start date
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Katarat

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Anyone know how to shut off the low battery water light on a 1980 GS1100ET ? Have new maintenance free battery in it because its such a PIA to get to
 
i always add a loop to the sensor wire and run it to the positive side of the battery.
all fixed.
in your shipper thread i replied...go take a look
 
Wire it to a switched input, then there is no drain when the key is off.

I measured the drain numbers a while back, I put a series resistor in there, but then realized if I used switched power then there would be no drain in any event except when key was on.
 
Thanks, interesting concept, apply voltage to shut the light off, never would have thought of that. Once again you guys saved me
 
First of all, congratulate yourself on recognizing it as a "low battery water light". :clap:
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Many guys think it's a "charging light" and assume something is wrong with the charging system.

Yes, you apply a voltage to it to get it to turn off. The way it works is that with the proper amount of water in that cell, it would see about half of the system voltage and turn the light off. If the water (electrolyte) level went down, it would not 'see' the voltage and warn you of low water level. The biggest problem with that system is that all the cells don't necessarily go down evenly. With my luck, that cell would still be full while all the others were bone-dry.
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.
 
jwhelan65 said:
Dumb question..loop to the sensor wire?
Click to expand...

yeah you can unplug the bullet and remove the sensor/probe thingy then add a circle connector to hook to the plus side of the battery.
never had a problem doing this as far as battery drain but if are concerned just run it to a switch 12v. power source.
 
Just bought my '81 1100e last Sunday, and I too have the battery water light staying on. Battery is a new non-sensor battery. My question is what color wire is the one for the sensor? My bike has 4 wires with bullet connectors all in that area not connected :confused: naturally the wiring diagram in my Clymer manual is pretty useless. I have a hunch that its the Blue/green wire with a male bullet connector on the bike side of the harness.
 
Katarat said:
I believe its the green/white wire on my 80 GS1100ET
Click to expand...

Hmmm. I'll have to double check the colors of my other wires. I've since found the factory manual on BikeCliff's site, and it does show a green/ blue wire going from the battery and ultimately terminating at the check panel.
 
Confirmed battery sensor wire is in fact Green with Blue trace on the '81 gs1100e. Ran wire to battery positive, light is now off! :D
 
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