Miata Mailing List: February 1993, Message #65
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   From: (none)
Subject: Re: Hard Top Rear Defroster for 1990 Miata
   Date: (none)

> 
> Has anybody tried to convert the hardtop rear window in a 1990 or 1991 
> to have a defroster.  I would imagine  that one could attach some
> after market heating strips or even the heating strips or rear window
> from the 1992 hardtop which has a rear window defroster.  After that,
> the car would have to be wired like the 1992 Miata to connect the 
> heating element to a plug which is in rear on the drivers side which
> is controlled by a timed switch on the dash.  Alternatively, I guess
> that it is possible to directly connect it to the battery and have an
> on/off switch in the rear where the wires come up from the battery. 
> Any suggestions or ideas would be most helpful since the hardtop
> window really fogs up in the winter unless you continuously run the
> air conditioner or let the in outside air which in the New York City
> traffic is really polluted.
> 
> Thanks,   Herb Samuels  
> 
> 
> 
While I would certainly be interested in an aftermarket defogger that
doesn't look ridiculous (most of the aftermarket ones have very wide
strips) and that doesn't peel off, I really don't have a problem with 
the rear windows fogging up.  I simply direct the heat through the 
eyeball vents and aim them straight back with the fan on high.  After
about 5 minutes, the rear window is fine.  It even worked last week with
a half inch of frozen snow, although that took almost 10 minutes.

	Gary J. Fischman
	NYNEX Science & Technology
	fischman@nynexst.com