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What circuit for the Heated Grips?

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G

Guest

Guest
1980 850

Which circuit should I use to hook up the heated grips to? They draw about 4 amps. I don't want to fry anything :eek: by overloading the circuits...

The electrics are stock except that the "ignition" circuit only powers a relay now and I have a new line from battery powering Dyna S and coils (aka coil-relay-mod).

The headlight goes through a working switch and I guess I could hook up the grips to that circuit but not use the grips and the headlight at the same time but I'd rather have the option of using both at the same time.

Any thoughts?
 
To be honest the done thing is to put them on their own circuit back to the battery. Install a single fuse with an inline holder. Saftey first. Alot if kits come with a relay but some don't. Either is fine as you will need to run power up to the grips anyway.
 
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Agreed -- build a new circuit that's switched with a relay. You can use it for other stuff, too, like powering an outlet, your coils, or whatever.

By providing full voltage to the heaters, you'll get more heat, too.
 
You should have an accessory fuse For accessories of all things
 
Why bother with a relay it's gonna be pointless wiring? They're gonna have built in switch anyway.
 
I have a 1982 850G with STOCK wiring,It's in great working order ( electrical system) and I plan switching out the RR at a later date when needed.I'm looking to instal some heated grips and I'm wondering if there will be any problem running these with a stock system??.
 
Great,thanks for the info.Do you find that those work ok??,Did you buy them because of the price or becuase they work good.It seems like you might loose alot of heat by heating up the bars before you get the heat to the grips!!.
 
Ok sounds good.I have HIPPO hands that do a good job but under 30 degrees a little extra heat would be good.
 
My stock handle bars had weights in the end of each bars, so you have to remove these or use after market bars, I have the euro bars.
 
1980 850

Which circuit should I use to hook up the heated grips to?
I agree with the others that they should be on their own circuit, but if you don't want to go to that much trouble, just look at it this way: you have three circuits on the bike that are fused. Which one would you be willing to give up if your handgrips blew the fuse?

From the top of your box, the first fuse is for LIGHTS. It powers the headlight, tail light and instrument illumination. The second fuse is for SIGNALS. It powers the turn signals, brakes, horns, oil pressure warning light, neutral light and gear position indicators. The third fuse is for IGNITION. It powers the coils and the ignitor and also provides power to activate the starter solenoid.

The fourth fuse is the MAIN fuse. It powers the whole bike until the engine is running and the R/R supplies more power. The fifth fuse is your AUX fuse. It powers the screw terminal right next to it, but is unswitched. If you leave your handgrip heaters ON while connected here, you will run the battery down rather quickly.

If I was limited to the above choices, I would connect to the SIGNALS fuse and ride very carefully if my hands got cold (meaning that the fuse was blown).

.
 
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