Re: IML: cheap rear-window defrosting trick (was "rear air")
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Re: IML: cheap rear-window defrosting trick (was "rear air")



All,
An inexpensive but effective electric rear window defroster with automatic timer is available from JC Whitney at www.JCWhitney.com for around $50.  It consists of a clear plastic sheet with wires imbedded in it that attaches directly to the rear window and comes with all the wiring, switches, etc. (try part # 52ZX5361B in their site search or type in 'rear defroster').   A friend of mine has one in his old C*dillac and it works well in Southern California winters-can't guarantee performance more northern climes.  Good Luck.  As for required Imp content: Does anyone know where I can find an AM/FM stereo radio for a 1973 Imperial?  Thanks!
Randy
1973 Newport Custom
----- Original Message -----
Sent: Saturday, March 05, 2005 9:59 AM
Subject: Re: IML: cheap rear-window defrosting trick (was "rear air")

Keith,

I believe it was not until 1972 or even 1974 when they finally tied in the
A/C compressor to the defrost position on the climate control.

To defrost the rear window in winter the cheap way, you simply need to
remove humidity from the air. You can do this by switching the system to A/C
or even MAX A/C and turning the blower and temperature all the way up. This
will cause heated but dehumidified air (assuming your A/C works properly) to
be blown out the dash vents, which will eventually reach the rear cabin and
help keep the window clear. I usually aim the vents up so they blow over the
front seatbacks.

It has the side benefit of forcing you to exercise the A/C system in the
winter, which helps keep the compressor seals and lines lubricated (their is
oil in the Freon) and prolonging its long life. My O67 Crown still has its
entire original A/C system, even the hoses, and it¹s only required a pound
of Freon since 1989. It still cools like a meat locker in summer, and adding
heat in the winter (something that probably seems counterintuitive) makes
for decent winter performance without having the rear blower (which, by the
way, just moves ambient air around... They weren¹t terribly effective).

Chris in LA
67 Crown
78 NYB Salon


On 3/5/05 7:06 AM, kmoore12@xxxxxxxxxxx (kmoore12@xxxxxxxxxxx) wrote:

> Hi list!
>   I thought I would drop a quick question while we were on the subject of rear
> air. I have a ' 70 LeBaron that has no rear air anything. I am not looking for
> rear AC or heat. My question is; how can I defrost my rear window? If there is
> more than just myself in my car my rear-view mirror is rendered useless. I
> know rear defrost was an option and I believe it was a seperate option from
> rear heat. Now, I have tried a portable window defroster that plugs into the
> cigar lighter. It is next to useless and looks bad. Is there any aftermarket
> unit that can be wired into the car and installed under the rear package
> shelf? Does anybody have any expierence with this? Any novel ideas?
>
> Keith,
> Hindsight is always 20/20......except when there is a heavy breather in my
> car...




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