So I left my hotgrips on overnight. Normaly they turn off automaticly but I gave the relay to a friend when I helped install hers and I had yet to replace mine. I needed the bike to start and I did not want to wake anyone up to help jump the thing. So since I live on a bit of a hill I bump started it and everything was good. Then I looked down at the temp sensor. It is reading 1*c. This is very odd since less than fifteen minutes ago I was driving a car that clearly said 7*c. I road around the block a couple times pondering if this meant that something was wrong. Since at work I did not have a conveniant hill I wanted to make sure. After a couple times around the block suddenly the reading went from 1 to 7 and stabilized. The airtemp sensor on the VFR is mounted up front in the cool air and in the last three years I have never seen it be off by that much.
So this is what I was thinking: If the voltage was lower than normal the temp sensor would be off by several degrees. When the voltage returned to normal the sensor became accurate again. If this is true then can I also infer the voltage of the bike by the accuracy of the airtemp sensor? I was considering mounting a voltmeter to keep track of things since I run lots of extra electrics. Rather than wire in a voltmeter can I just buy a cheap stick-on thermometer and check it against the bike's? If the bike is reading too low a temp then the voltage is dropping. Might also be a good way to keep an eye on the rectifier.
Does anyone know if this sort of thing only happens at cold temps? Can I expect the airtemp guage to behave the same way come summer?