However, since the LED's are "polarized" unlike the normal bulbs, I wonder if, given you may had some reversed meaning they wouldn't have shown any light at all, having some reversed for a longer period mught have done somethign to the rheostat???

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GeoffSmith wrote:Under reverse bias, they shouldn't pass any current, but even if they were to break down and go short circuit, the series resistor would limit the current.
I think that's electric wizard speak for "what he said ain't right". 
Nige wrote:Investigation of my lack of instrument lighting indicates that the problem is a lack of a feed to the instrument lights, being an S2 the instruments should be lit as long as the ignition is on. Looking at the circuit diagrams the feed is a red and purple wire which comes off the rheostat module (green relay type thing (A100M6059F) under the dash, same location as the intermittent wipe relay). The rheostat module is in turn fed by a red and white wire from the sidelights, my sidelights work ok, so logic points the finger at the Rheostat Module. Swapped the Rheostat Modules between Norma and S2 and S2 now has gloriously green instrument lighting and Norma has no instrument lighting. I've asked if anyone has one in the parts wanted sectionHere. I've just been hailed off but have managed a couple of pictures that I'll post as soon as I download them from the camera. I lost my lights when I fitted the first LED so I assume, for whatever reason the LED caused some damage in the Rheostat Module? I am reluctant to fit any LEDs at the moment in case I damage another Rheostat Module and any advice would be welcome
holty wrote:The dials look great! Just one question, on the site it asks colour of backing. Does this mean the colour of the main MPH? Cheers Holty.
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