Hi guys,

Just put HID light replacing the stock H4 bulb. But obviously the high voltage current needed for the light is interfering with the speedo as it started to show speed readings when stationary jumping from 0 to 7-8 km/h and constantly changing.
In order to eliminate the intefering I wrapped in aluminum foil the high voltage unit and most of the wiring only to discover, after putting back the tank and starting the engine that it did not help.

Any ideas?

In fact I am thinking of going back to conventional if I do not find a solution.

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that is how i feel about my XTR
Mods so far:
Hyperpro front springs; Hyperpro rear shock spring; modified air box; LED tail light; LED indicators + new relay; YZ pegs; Lucas aluminum bar; brisk spark plug; snorkel removed; DNA stage 1; second hand DynoJet O2 mod; crash bars; front and rear steel braided brake lines; soft EBC brake pads; mitas 07 tyres, 2in1 Metal Mule exhaust, Blocked AIS, tall OEM screen, OTR bash plate