Current draw-bike shut down


Information and questions on GL1200 Goldwings (1984-1987)
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Oldflyer
Posts: 36
Joined: Sun Mar 16, 2014 6:54 am
Location: Fredericksburg, Virginia
Motorcycle: 1984 GL1200A Aspencade

Current draw-bike shut down

Postby Oldflyer » Fri Aug 08, 2014 9:58 am



'84 Aspencade 1200A

Had a situation where I left my ignition switch in the "accessories" position (unintentionally) and this killed the battery over a period of time. The battery is new and it did recover after I charged it. Once recharged, I did an amperage flow check by disconnecting the battery at the negative terminal and connecting an ammeter between the cable and the negative terminal of the battery. With the ignition switch in the "off" position there is a 1/100 amp current draw. I assume that this is probably the clock using this tiny draw. The same check made with the switch in the "accessories" position revealed a 0.27 amp draw. My question is, what is powered when this switch is in that "accessories" position besides the terminal on the fuse block? I have nothing connected to those terminals. The radio is turned off.



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virgilmobile
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Re: Current draw-bike shut down

Postby virgilmobile » Fri Aug 08, 2014 12:50 pm

I bet dime that when you turn your key to "acc",some power is used by the radio/accessories..even tho there not actually (main) powered up yet..
You could confirm by watching the draw and selectively unplugging each accessory device...

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Fatwing Chris
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Re: Current draw-bike shut down

Postby Fatwing Chris » Fri Aug 08, 2014 7:16 pm

Can't really say what is powered up on access,but 270 mA's(that's almost a 1/3 of an amp) draw would kill a good size car battery pretty quick never mind a 250-300 CCA motorcycle battery.
If I'da known it would last this long,I'da taken better care of it.
Chris
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WingAdmin
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Re: Current draw-bike shut down

Postby WingAdmin » Tue Aug 19, 2014 9:31 am

Other things than the radio are on the ACC line - clock, for one of them. And as mentioned, the radio can very well draw current without being turned on, when it is supplied with it.

nevada4419
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Location: Pahrump, Nevada
Motorcycle: 1984 gl 1200

Re: Current draw-bike shut down

Postby nevada4419 » Tue Aug 19, 2014 9:55 am

On my 84 when the switch is on acc the parking lights are on. With your switch on acc check to see if the two rear tail lights are on

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Oldflyer
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Location: Fredericksburg, Virginia
Motorcycle: 1984 GL1200A Aspencade

Re: Current draw-bike shut down

Postby Oldflyer » Tue Aug 19, 2014 12:04 pm

I just went out to my bike and checked to see if the rear parking lights are on with the switch in the "acc" position and the answer to that is no. They are not on. Is there some separate switch somewhere that I don't obviously know about? I find nothing about this in the owner's manual.

Because the garage was dark when I checked this, the only lighting that I could see that illuminated when I went to the "acc" position is the entire radio lighting, even though the radio is turned off.

This whole adventure ceases to be a problem, since I am always careful now to double check that the switch is in the "off" position and never in the "acc" position. Battery has held up just fine ever since.




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