Battery Drain

[Jefro]

Re: ST Wiring Harness

As a reference, my cell phone charger uses 800 Ma (MilleAmps) to charge the phone overnight.
So your grip circuit pulls just a tiny amount, 8 Ma, to simply keep the circuit at idle. Not much, but enough to kill the battery after a while.
Just like a TV set or stereo uses juice even when it is turned off, it is not ever really off unless you pull the plug at the wall.
With your grips connected to the white plug, they are truly off when the key is out of the ignition. No more dead battery.
Jefro.

 

[Paul]

Re: ST Wiring Harness

I may be completely wrong here, but the heated grip controller has a voltage monitor in it,that won't let the grips turn on if the load on the charging system is too high, such as at idle with heated gear on etc. The voltage monitor may be ahead of the on off switch, I don't have a schematic, if so it would be looking at any voltage applied, and drawing some current in the process.

 

[MidLife]

Re: ST Wiring Harness

I would have thought if the grips were drawing 8.5MA that the grips would have been warm to the touch. That was not the case, in fact they where positioned in the off postion so I still don't understand how they were pulling that much current.
Wonder what the shop will do if the battery is still drained with the grip harness positioned in the clear 3pin connector?

What do you mean with MA? MiliAmps? This wouldn't be much current, not enough to warm up the grips.

Is it draining with the grip switch on and off?

 

[Scooter]

I'm wondering why it should have taken them 9 hours to figure this out? It doesn't take more than a couple of minutes to confirm that you were drawing more than the specified load by removing the right hand side cover to expose the battery and doing a simple current draw test on it. Granted there would also need to be some time to track down the source of the problem, but 9 hours? Come on.

 

[Blrfl]

Re: ST Wiring Harness

Just had a thought. Genuine Honda grips will only power up when the voltage in the bike goes above a certain point (13.5-14v?). Can one of the electrical peeps round here please advise if this will still flatten your battery if you plug into the wrong socket?

The controller won't apply power to the heating elements if the voltage is low. It was probably not designed to keep its "off" current draw down to a bare minimum since it was intended to be plugged into a switched circuit.

So yes, if you leave it plugged in long enough, it will drain the battery.

Sorry you got burned by your heated grips, FT.

--Mark

 

[freetime2247]

Re: ST Wiring Harness

The battery is being drained with the honda grips in the off position and the key in the off position. The dealer techs said it was drawing 8.5MA's with the key and grips in the off position. Hard to believe but that's their story and there sticking too it.........

I can't understand how there would be any draw if the grips are in the off position......

 

[Blrfl]

Re: ST Wiring Harness

I can't understand how there would be any draw if the grips are in the off position......

Because it's not a thing with a switch that electrically disconnects it from the battery.

Each connector on the quartet harness is for a specific accessory: one's for the heated grips, one's for the lighter socket, one's for the heated grips and one's for the alarm system Honda sells in Europe.

(I'm going to merge the two threads on this subject.)

--Mark

 

[freetime2247]

Thanks Mark! I will use this forum before installing any other farkles on my bike.......

 

[Krynn]

Just out of curiosity, was this at Honda of Lafayette or Southside Honda?