My Oxford heated grip controlled failed on me 1/3 of the way into a 21 000 km trip. I never liked the push button control pad, the buttons being too awkward to push and the LEDs too hard to see in all but the darkest of conditions. As such, even though I could have had the controller replaced under warranty, I decided to put an analog controller in. First up, out with the old: Being a long weekend here in Oz and a desire to get the job done completely over this time, I went for a kit controller from Jaycar instead of having to order and wait for something like a Heat-troller. The one I purchased is here: http://www.jaycar.com.au/productView.asp?ID=KC5225 at a cost of $A25, plus another $A12 for an external potentiometer, knob, kit box and mounting hardware, so a pretty cheap project all up. My kit assembly skills were somewhat rusty, but my previous life 20 years ago of being an electronics technician pulled me through. So, despite my work area looking like this: I managed to produce this. The circuit is a simple pulse width modulator, which in layman's terms very quickly switches the heated grips on and off, with the controller potentiometer setting the on to off time (more on = hotter). The circuit worked as advertised, but I was not happy that max power happened at only a half setting on the potentiometer whereas I wanted max power at max setting. One strategically placed 4.7K resistor later and the controller performs as I desire, not to mention protecting the circuitry against a possible controller shorted out by water. The hard part (for me anyway) is the physical mounting of this stuff. Fortunately, it was pretty easy as the Super Tenere has a nice spot on the left hand fairing side to mount the potentiometer, as shown: There is plenty of space under the seat to mount the circuitry as well as it being one of the more water resistant compartments on the bike. The kit box I bought is pretty water tight but those protruding wires will need silicon sealant to make sure water doesn't get in, something I will do when I am happy that it is working for at least a couple of days. You'll note that I have the power switch on the kit box, not mounted near the control knob. The beauty of this controller circuit is that with the knob set to minimum the grips are essentially off so there is no need to have a switch and associated wiring mounted up front. So the switch really only required for seasonal changes, which is a good few months off yet here in Canberra, and is easily enough accessible under the seat. Anyway, the control system works as desired with the min setting having no heat, the max setting giving the heated grips everything and the easy to access knob being able to set anything desired in between. I am very happy with the result and that Oxford controller will never be back to haunt me again.