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Discussion Starter #1
So I replaced the R/R on my triumph speed four because I was having some charging issues and the internet said triumph R/Rs tend to suck. I got one aftermarket that was recommended that is a MOSFET-type. Battery seems to charge fine and the new led headlights I installed also working fine. But when you rev the engine, the backlight on the tach will dip right as you let off the throttle. Headlights stay bright, and all the other lights on the dash—the backlight on the speedo and the indicator and warning lights—don’t dim.

Maybe that bulb is on its way out? Could it still be a charging issue even if the headlights and even other lights don’t dim?
 
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