Need Defrost Switch for 83 TA
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Junior Member
Joined: Oct 2006
Posts: 23
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From: Alaska
Car: 83 Trans Am
Engine: 5 L
Transmission: Automatic
83 Ta defroster Switch
Hello, that would be GREAT!! Let Me know how much you want for it and shipping.
There is another part I need that I think is part of the defroster wiring..
I pulled off the lower part of the dash on the passenger side to see if I could find the short in the wiring to rear window defroster grid. I found a tan colored rectangualar box.. with a circuit board inside. A pink/blk wire, blk wire and a blue/white wire coming from it.. It is burnt to a crisp (literally). If you have that piece also I would be happy to buy it also.
Thanks
feel free to email My office
flash@ce2engineers.com
Flash
There is another part I need that I think is part of the defroster wiring..
I pulled off the lower part of the dash on the passenger side to see if I could find the short in the wiring to rear window defroster grid. I found a tan colored rectangualar box.. with a circuit board inside. A pink/blk wire, blk wire and a blue/white wire coming from it.. It is burnt to a crisp (literally). If you have that piece also I would be happy to buy it also.
Thanks
feel free to email My office
flash@ce2engineers.com
Flash
Thread Starter
Junior Member
Joined: Oct 2006
Posts: 23
Likes: 0
From: Alaska
Car: 83 Trans Am
Engine: 5 L
Transmission: Automatic
defroster relay timer ??
Hello,
here is a pic of the mystery part.. I think it maybe the defroster relay timer but I sure wouldn't bet on it.. What ever it is I definitly need a new one. The circuit board inside is totally crisp!! I pulled out the pink/blk wire which is hot when I turn the key. There was also a black wire the one in the middle is blue/white..
thanks in advance for any help
Flash
here is a pic of the mystery part.. I think it maybe the defroster relay timer but I sure wouldn't bet on it.. What ever it is I definitly need a new one. The circuit board inside is totally crisp!! I pulled out the pink/blk wire which is hot when I turn the key. There was also a black wire the one in the middle is blue/white..
thanks in advance for any help
Flash
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iTrader: (1)
Joined: Sep 2004
Posts: 1,372
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From: Toledo, OH
Car: 1982 Trans Am
Engine: SBC 400
Transmission: 700-R4
Axle/Gears: 9 Bolt 2.77
Hello,
here is a pic of the mystery part.. I think it maybe the defroster relay timer but I sure wouldn't bet on it.. What ever it is I definitly need a new one. The circuit board inside is totally crisp!! I pulled out the pink/blk wire which is hot when I turn the key. There was also a black wire the one in the middle is blue/white..
thanks in advance for any help
Flash
here is a pic of the mystery part.. I think it maybe the defroster relay timer but I sure wouldn't bet on it.. What ever it is I definitly need a new one. The circuit board inside is totally crisp!! I pulled out the pink/blk wire which is hot when I turn the key. There was also a black wire the one in the middle is blue/white..
thanks in advance for any help
Flash
I just so happen to actually have this harness right now, sitting in a box
What a coincidence 
Unfortuanelty I need it, so I cannot give it to you...this would have to be a junk yard item. I tried searching to see if you could get a replacement board, but couldn't find anything.
Thread Starter
Junior Member
Joined: Oct 2006
Posts: 23
Likes: 0
From: Alaska
Car: 83 Trans Am
Engine: 5 L
Transmission: Automatic
Mystery part
Hello, That is definitly the part.. I haven't noticed the the check engine light coming on but will certainly remember to pay attention this morning..
At least now I know what part to ask for..
One other question. Do you by chance know if there is anything between the defroster switch and the rear window defogger. Is there a relay of some sort..
I will start looking around to see if I can find the lamp driver.
Thanks
Flash
ps anyone know where I could find a reliable wiring diagram for an 83?
At least now I know what part to ask for..
One other question. Do you by chance know if there is anything between the defroster switch and the rear window defogger. Is there a relay of some sort..
I will start looking around to see if I can find the lamp driver.
Thanks
Flash
ps anyone know where I could find a reliable wiring diagram for an 83?
Supreme Member
iTrader: (1)
Joined: Sep 2004
Posts: 1,372
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From: Toledo, OH
Car: 1982 Trans Am
Engine: SBC 400
Transmission: 700-R4
Axle/Gears: 9 Bolt 2.77
There is a rear defogger timer relay that is behind the right hand side of the Instrument pannel. It will run for 10 minutes when first turned on, then 5 minutes each time after. It will reset back to 10 if the car is turned off and back on again. You should probably get a factory shop manual, it has all the wiring diagrams. I would scan you the diagram from my '82 manual, but my scanner isn't working. it should pretty much be the same.
Thread Starter
Junior Member
Joined: Oct 2006
Posts: 23
Likes: 0
From: Alaska
Car: 83 Trans Am
Engine: 5 L
Transmission: Automatic
defrost relay
Thanks I will keep an eye out for a manual.. and look for the relay. thanks again for all the help. Much appreciated
Flash
Flash
Supreme Member
iTrader: (1)
Joined: Sep 2004
Posts: 1,372
Likes: 2
From: Toledo, OH
Car: 1982 Trans Am
Engine: SBC 400
Transmission: 700-R4
Axle/Gears: 9 Bolt 2.77
did you ever get the defrost switch? There is one on Ebay right now...looks like it's in pretty good shape.
http://cgi.ebay.com/ebaymotors/82-92...spagenameZWDVW
http://cgi.ebay.com/ebaymotors/82-92...spagenameZWDVW
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Sep 10, 2015 08:37 AM




I will take a pic tomorrow once the sun is up.. Thanks again to everyone for looking.
