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Rear defroster

iceman69510

Turn Right Racing
Staff member
Joined
Mar 5, 2001
Messages
10,964
Location
Michigan
So I steamed off some old tint from the rear window, but in the process did scrape some of the defroster lines. In places I can see the yellowish line, but the black has been removed. I suspect that I will need to apply some conductive paint in those locations to fix these, correct? I have not tested yet, but suspect if I removed the black it will no longer conduct current.

Any one with experience with this?

Thanks.
 

FlyingEagle

Staff member
Joined
Mar 5, 2005
Messages
1,635
Location
THE Ottawa
Permatex makes a kit with a stencil, whereby you brush that conductive paint into the opening in the stencil.

I suspect you scraped off more than was desireable. Testing with a multimeter may not yield good results because you can get voltage with one
strand of wire in a cable, but not be able to carry proper current. Probably best to hit all the suspected spots with that kit.

A multimeter would at least tell you if there was a clean break. I supposed you could use a test light for this sort of scenario too ... been a while since I did that, so
cannot comment on how well it would work ... but I am thinking it would only work best at the window attachment points for a test light.
 

toybreaker

iconoclast
Joined
Apr 30, 2006
Messages
3,581
^^^ good advice

I'd be a little leary of using an old school test light on the individual filaments.

... they draw a sh*t ton of current and might zorch the individual grid segments


Just get the defroster grid repair kit and have at it.









... some searching might bring up a "hello kitty" stencil /ubbthreads/images/graemlins/devil.gif
 
Last edited:

prove_it

Well-known member
Joined
Jul 3, 2008
Messages
4,201
Location
Sioux Falls, SD
You could buy a thermal camera and turn on the defroster to find the cold spots...

You know if money is no object.
 

OldHairyBastard

Well-known member
Joined
Apr 27, 2005
Messages
4,510
Location
Northern Chicagoland Area
I think Ryan has the best answer! Quoting Hertz:
Might I suggest a Chicago Bears logo...

 

iceman69510

Turn Right Racing
Staff member
Joined
Mar 5, 2001
Messages
10,964
Location
Michigan
I don't see a reason to devalue the car more. I will stick with the Packers license plate frame. /ubbthreads/images/graemlins/tongue.gif
 

G

Staff member
Joined
Feb 24, 2004
Messages
8,896
Location
zompton
/ubbthreads/images/graemlins/rofl.gif @ the bears sticker. You can use the sound function on your multi meter to test for the open circuit. Will work on the defroster.
 
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