rear defrost switch buzzing

i got a 91 sunbird le(4.0L OHC) the rear window defroster switch buzzes every time it wants me to shut it off. is this normal? i reead in the manual about it and it says it should shut off after about 10 min but it only goes till 5 min then buzzes. shouldnt it shut off by itself? if this is problem plz... can u tell me how to fix it. any comments are good.
thx
sry for miss spelling

yes it should definetely shut off by itself, i would guess you just need a new switch
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1998 Cavalier RS, 2200 5 speed with a Warm Air Intake


jakegday
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01-29-2006, 07:20 PM #3
|WYG|SS
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Join Date: Jan 2006
Posts: 43 Re: rear defroster switch buzzing

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would u know where i would be able to buy a new one that is cheap? i seen one on rockauto.com for 108.00. should i take a chance and go get one from a junkyard. i think it would be better to get a new one.


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01-29-2006, 07:28 PM #4
|WYG|SS
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Join Date: Jan 2006
Posts: 43 Re: rear defroster switch buzzing

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i found one at rockaut with a delay which i could use(would it be the same size to fit in old slot?) it is 176.00. might get this one. the other one that doesnt have dalay for wiper is 62.00. i think i would fo for the one with the dalay. http://198.208.187.182/internet/Part...rtn br=D6394C



http://198.208.187.182/internet/Part...rtn br=D6392C

would their be a different hook up on the back of the switch for the pins?

I Had the same problem with mine ,I just did not bother to fix it. I just shut it off when it started to buzz. Judging by all your posts It sounds as if You found your self a money pit to throw ALL your money into . This is just your first car and everyone had a first car ,do yourself a favour keep it safe brakes ,steering etc etc but don`t waste alot of money on other things ,door seals and things like that . The car is old and you will never get your money back out of it when you go to sell. I had a `91 also and it was a good one but you have to where to draw the line as far as repairs go. just my two cents. Good Luck with your Car

well i bought the car for 400 because the quy was a mechanic and it saaat their for a while and the car had a SH!T load of cigeratte ashes in it and smelt bad so i cleaned it and it runns goood with 130k. i think it would be good to get the expensive switch becasue then i dont have to wory about pushing the wiper button on every time i need to see in the rain. the delay on the switch would be better casue then if i want delay i dont need to cut wires and put a delay switch in. it would save a lot of time and money cause if i screw up then i need new wires.

FUC* FUC* FUC*!!!!!!!! i go to junkyard to buy a new switch and then test it out and it works. it has delay bought it for 25$ and i needed the new moter to run delay so i got one for 25$ so i get home and install motor and switch then i go to gas station to get gas and had the rear window switch on to see if it works and the damn thing starts BUZZING!!!!!!!!!!! this pisses me off. could the volt. regulaor be bad casue it might have burnt up the switch? jthe connecor outside on the motor for the winsheild was burnt at connecter/melted. could this be some relay or something?

FUC* FUC* FUC*!!!!!!!! i go to junkyard to buy a new switch and then test it out and it works. it has delay bought it for 25$ and i needed the new moter to run delay so i got one for 25$ so i get home and install motor and switch then i go to gas station to get gas and had the rear window switch on to see if it works and the damn thing starts BUZZING!!!!!!!!!!! this pisses me off. could the volt. regulaor be bad casue it might have burnt up the switch? jthe connecor outside on the motor for the winsheild was burnt at connecter/melted. could this be some relay or something?

Just curious as to why you are changing the wiper switch when it is your defrost switch that is giving you problems, why not try changing it first???

Just curious as to why you are changing the wiper switch when it is your defrost switch that is giving you problems, why not try changing it first???The wiper switch and rear defrost switch are both incorporated into one assembly that is held into dash by one or two screws :thumbsup:

replaced them both casue u cant switch them out inside. trhe only thing i can think of is that when i bought the car their was sooooo much damn nicoteine all over that it must have seeped into the relay and shorted it out so this summer im going to pull the dash and clean it and maybe get anotherone or go back and tell the guy and exchange it and keep it out and put old one back in until i do so. well atleast i got delay now so i dont have to keeps hitting mish when it is raining out. since i bought the car a year ago and when i bought it, it had a shit load of ashes in it and when i cleaned it it had alot of nicotene. could this have seeped into the relay and causing it to short out? the connectorfor the wiper motor was melted by the wires so the car could have been in a flood or something. most of the connector are like that. it came from florida. have any of u used that car fax website?is it anygood? just want to know casue i might check out wut happened to the car.

any1 know where the relay is?

any1 know where the relay is?just a shot in the dark here. according to autozone, driver side of steering column ,mounted behind upper dash panel, Pretty vague descrption.does the buzz come from the switch area,I can`t remember on mine because I did not worry about the buzz and therefore did not look to hard. why not go to a dealer and get them to bring it up on the computer and see if there is a picture of it. :grinno:

just a shot in the dark here. according to autozone, driver side of steering column ,mounted behind upper dash panel, Pretty vague descrption.does the buzz come from the switch area,I can`t remember on mine because I did not worry about the buzz and therefore did not look to hard. why not go to a dealer and get them to bring it up on the computer and see if there is a picture of it. :grinno:
yeah it comes from the switch but i was thinking it might not short if i go replace relay then switch.

:tongue: it is coming from the relay casue i was fooling around with the fuyse panneal and decided to turn it on and it buzzed and it came from where relay is but it is a bitch to get off.:tongue: :grinyes: :grinyes: :grinyes: :grinyes:

I own a 90 sunbird, and I was wondering if you are able to get a windshield wiper delay just by replacing the switch?
Also, mine buzzes after a few mins of having the rear window defrost too- and i really dont like it... Were you able to fix it? was it the switch or relay? where is the relay?

thanks.