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Re: interesting problem with rear glass heater. 200 85

I'm surprised no one mentioned deterioration of the elements. Not breaks, not bad grounds, but slow disintegration of the conductive deposit and its binder from UV exposure resulting in higher resistance, presuming you can find mere open circuits without help. I mean, once you determine you have roughly 6 volts near the middle of all the lines you need to measure the current and compare to the 12 amps (the green book says 150W) a new one would draw.

I really wish there was some other respectable approach to fixing beside replacing the glass.






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