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Norge charging system

W

Wistrick

Cruisin' Guzzisti
Joined
Jul 2, 2010
Messages
128
Location
Pendleton, OR
As my heated grips seem to be not working as well as before, I checked the dash voltage on the bike with the following results.

bike off 12.1 v
bike @ idle 13.1
3000-5000 rpms 13.2 (drops to 13.0 with grips on.)

isn't charging voltage suppose to be more like 14.0 volts, is the dash voltage gauge even accurate...

Dan
 
The dash meter can be low due to resistance in the wiring harness. Use a good DMM and get the reading directly from the battery.
 
so now that I have determined that the charging system is fine..where should I begin to look of the source of problem with low heat on the grips...do the run though a bunch of other stuff maybe causing voltage drop???
the grips are but out so little heat that on high I can barely feel them...when I first bought the bike I couldn't even tolerate the heat on high......

Dan
 
Wistrick said:
so now that I have determined that the charging system is fine..where should I begin to look of the source of problem with low heat on the grips...do the run though a bunch of other stuff maybe causing voltage drop???
the grips are but out so little heat that on high I can barely feel them...when I first bought the bike I couldn't even tolerate the heat on high......

Dan
Click to expand...

Try cleaning your connections with contact cleaner. A small amount of corrosion may have developed. It may not even be enough to see, but it only takes a little to drop voltage.
 
I still haven't been able to fix the low heat problem with my grips....Its my understanding that on high there should be 12v at the grips....correct???? and on medium and low they are pulsed like a heated jacket controller....why the heck are they tied into the ecu?? do they turn off at low voltage or a certain temp...gonna go check voltage at the grip terminals in a bit will report back...BTW I cleaned all the contacts and switch the left plug for the right plug no go....sure is acting like low voltage.....

Dan
 
Peel back one of the grips slightly to expose the terminals, and measure the voltage drop between both battery posts and each of the grip terminals in turn (use the highest heat setting). The lower readings will indicate the voltage drop in the circuitry. Anything excessive will give you a clue where to start looking.
 
Take the time and trouble to remove the starter cover to expose the ground strap connector from the battery, clean it up and refasten you should be reading more then 12.1 V on the dash readout with the bike not running unless your battery is going south. It is a known source of trouble.
 
Are u talking about the two wires that are visible when u take the cover off...??? I found corrosion under the positive battery terminal....used a flapper wheel to clean and shine...also added a 4 gauge wire from the starter mounting bolt to the neg on the battery to beef up the ground....also bought an 12v meter so I can test voltage at the grips....when it decides to get above 35 today i'll go get everything back together....

Dan
 
Remember also that there is 2 different charging systems - one for the battery and one for everything else. The dash readout is for everything else and is strongly affected by the size of the cables used (too small - barely enough to get the job done). You can monitor the battery charge voltage using your meter directly on the battery itself.

Feel free to correct me if I got that all arse about...
 
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