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rear demister not working - possible solutions? 140-160 1973

uid 4846's pic
posted by  JohnMc on  Wed Feb 27 03:44 CST 2002
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last visit: Thu Oct 23 07:42 CST 2014
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No solutions, just commiseration. My 71 1800E rear window has the same problem. It had a fancy two level demister - left side is split into a top half and a bottom half each with their own wire - the right side has a single wire for all the wires. At the 1/2 setting current goes in the top left half, the right side wire is disconnected, so the current goes back over to the bottom left which is grounded (double the length, 1/2 the current flow). And on full both left wires are hot and ground through the right wire.

Fancy indeed - but no current at all flows through the grid. I think years of washing with window cleaner by the P.O. leached out all the metal - leaving just a non-conducting remnant behind.

My guess would be a new window is the best bet. If you get one from a junkyard check it carefully - and it still might be most of the way along the same path of decay.






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