Quote Originally Posted by Kustom Jim View Post
I fitted electric sender gauges last year and discovered that they needs very stable voltage. I fitted a 10 volt!? stabiliser (I think) off eBay to the power feed for them and bingo they all worked including oil gauge, just takes a while for needle to wind up

For example on the official Smiths gauge website it has this requirement in the small print!!!

https://www.merlinmotorsport.co.uk/p...liser-cb-vstab
You can make one in about 10 minutes with a few capacitors, an LM317 or a LM7810.
Saying that I have plenty of free time, anybody need one, or a few dozen made?