Rear window defogger? - Team Camaro Tech
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post #1 of 8 (permalink) Old Mar 19th, 01, 08:46 AM Thread Starter
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Guess
 
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Hi all.... another question for the experts...
I did a complete search here and found nothing.
I can't figure out how to wire the rear window defogger I found in my '69. The manuals don't show it in the wiring diagrams either... at least not that I could find for a Camaro.
My package tray has the factory holes for 6x9 speakers and the small holes for a defogger. What I don't see is any wiring. Someone had cheezed-in a wire coming off of the white dome-light wire but that would only make the defogger come on when the door is opened!!
Is there a different trunk wiring harness when a rear window defogger is put in? None of my wiring has been cut up or is missing so I'm thinking maybe this came out of another car. I can get all the part numbers off of all the different parts of the unit if that'll help. (it works too... I tested it)
Thanks!



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Joe
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'97 Blazer
'69 former basket-case
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post #2 of 8 (permalink) Old Mar 19th, 01, 01:49 PM
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TOM
 
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I think your best bet is to run your own line back to it and hook up a switch in the dash, as most of the lines running to the back are for the tail lights and dome.just my 2 cents.
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post #3 of 8 (permalink) Old Mar 19th, 01, 03:13 PM
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Joe -

Just went to look over my '69 with original factory defogger (it was Fisher-installed, but it's not in the Fisher Manual either); a Fisher harness plugs into the fuse block to get power, has a pigtail with a connector that plugs onto the Chevy-installed defogger switch inboard of the wiper switch, and a purple feed wire runs all the way back on the left side to the trunk, where it plugs into a connector on a red wire that's part of the defogger motor. Rick's has this Fisher Defogger Harness for $35.00; they don't show the switch in their catalog, but they may have a used one.


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JohnZ
'69 Z28 Fathom Green
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post #4 of 8 (permalink) Old Mar 20th, 01, 04:00 AM Thread Starter
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Thanks John / Tom,

I kinda figured it wasn't from my car. I want to keep something back there so I'll probably go with the new harness. For a very short moment I almost considered one of the whole-window stick-on kind of defrosters but that only lasted for a second!
I can get a switch from anywhere really.... another car.

Thanks again.... I'm off to EBay to look for the ducts to go with it now.



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Joe
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'69 former basket-case
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post #5 of 8 (permalink) Old Mar 20th, 01, 09:02 AM
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Do the original defoggers work? Is the air heated or does it just blow air from the trunk onto the window?

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Justin
-1967 Camaro SS350

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post #6 of 8 (permalink) Old Mar 22nd, 01, 02:20 PM
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They just circulate air onto the rear window. They do not work nearly as good as the newer heated wire on the glass ones.


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post #7 of 8 (permalink) Old Jun 9th, 09, 05:32 AM
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Steve
 
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Re: Rear window defogger?

Quote:
Originally Posted by JohnZ View Post
Joe -

Just went to look over my '69 with original factory defogger (it was Fisher-installed, but it's not in the Fisher Manual either); a Fisher harness plugs into the fuse block to get power, has a pigtail with a connector that plugs onto the Chevy-installed defogger switch inboard of the wiper switch, and a purple feed wire runs all the way back on the left side to the trunk, where it plugs into a connector on a red wire that's part of the defogger motor. Rick's has this Fisher Defogger Harness for $35.00; they don't show the switch in their catalog, but they may have a used one.


------------------
JohnZ
'69 Z28 Fathom Green
Wow! Here's an old thread.. 2001

Say John, do you happen to have a pic of your defogger unit please.
You may see my other thread where I ask about where it's grounded.

Thanks.
Steve.

Nov 68 Van Nuys. 327 floor-shift-auto, Frost Green and not much else when new.

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post #8 of 8 (permalink) Old Jun 9th, 09, 08:30 AM
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Charlie
 
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Re: Rear window defogger?

Quote:
Originally Posted by jrt67ss350 View Post
Do the original defoggers work? Is the air heated or does it just blow air from the trunk onto the window?

------------------
Justin
-1967 Camaro SS350

www-student.furman.edu/users/j/jtrauner

No they do not. I have one and like said, all it does is circulate humid air over the window. The best thing is to install the grid type.

Charlie Knudsen 67 Camaro RS/SS 350 TKO 600, 4.10's, AFR 195 Street Heads, Comp 270H, Rhoads Lifters, Crane Ignition, Pertronix Dizzy, Performer RPM Q-Jet, Heavily Modified Q-Jet, Hooker Comp Headers, MagnaFlow 2 1/2", 144 Decibles(Alpine CDA-7998 Head Unit, RF X7 and RF 750X Amps, MB Quart Mid's & High's, Kicker L7 12" Solo Barics)
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