Darwood good deal, it is comforting to have solid anwser of what your temperatures are. on a trip to florida in september I swapped in one of the early beta gauge mods just to have soemthing for that trip. that mod wass 100% functional just to sensetive, it had big movements for small changes in temperature.
let everybody know how it goes, I think some may not want to be the first to try it.
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Originally Posted by jklubens
Can't the two resistors be bought at RadioShack?
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Sorry no they are not available at RS Unless your radio shack is better stocked than mine they don’t have any 3watt resistors, much less in 110 and 50 ohms, 110 ohms is an unusual value, Especially in 1% accuracy. Most common resistors are 5% or 10% accuracy
3 watt resistors are not common, usually you have small 1/4 and 1/2 watt resistors for electronics that will not handle this load, they will overheat rendering the gauge inoperable, possibly damage your cruiser. The other common resistors are 5 and up watt "power resistors" witch have a heat sink to help dissipate heat that make them more difficult to install in the space available.
The linked resistors are inexpensive even with shipping, and are the best match for this application I have found, using the linked resistors is your safest bet. Other resistors may have different results.
Also in general radio shack components are generic cheap stuff sold at inflated prices. The resistors linked above have a good bit of info and testing and ratings behind them. The torture tests at the bottom are interesting.
http://www.vishay.com/docs/30204/rsns.pdf