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on/off switch?

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Old Jul 18, 2010 | 12:08 AM
  #1  
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Default on/off switch?

Hey guys. M'n cousin bought today a corvette stingray form 1976 totally rebuild. We found a button on the left side of the center console. By the drivers legs. It says 'on' if you switch it.
We couldn't find what it does.


somebody knows?
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Old Jul 18, 2010 | 12:19 AM
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rear defrost? My '69 has a **** there right next my knee.
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Old Jul 18, 2010 | 01:00 AM
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oke thanks it could be.
and where does he need it for?


When we were driving the car home this afternoon we found a 'problem'
When we were wiating for a traffis light and start making the turn(it was only when we made a turn after a traffic ligt) the hole car 'shaked' a little bit en we could hear a shokking/cracking sound.

It was only 4 or 5 times in a 300 km ride.
Somebody knows what it could be?

thanks.
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Old Jul 18, 2010 | 02:28 AM
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The switch will be the rear window defogger.

For the shake, look at the rear halfshafts- u-joints,
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Old Jul 18, 2010 | 03:00 AM
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Are you in the US?
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Old Jul 18, 2010 | 06:03 AM
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For the rear shuddering, I would change the differential fluid first, and add a bottle of posi=additive. See if that helps.
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Old Jul 18, 2010 | 11:39 AM
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clutch chatter?

Edit: oh, because it's in the turn you are thinking diff or half shafts. Agree.
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Old Jul 18, 2010 | 03:42 PM
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ok thanks, the switch was the rear defrogger yes. thanks for that guys.

2 other problems.

Yesterday we couldn't get the highbeam on but only the normal lights. But today we can only turn the highbeam on and not the 'low' lights.
I've read that if you pull the button 1 'shock' out, the light's are on and when you pull it 1 'shock' farder, the highbeams should be on. But now we only can turn the highbeams on.


And what i yesterday told about the shocking car when we made a turn..
I was thinking about the differential too
It has a shift kit in it too, maybe that make sense?


I'm from holland and visiting family in Canada.

When i have enough money i will buy a corvette stingray too.
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Old Jul 18, 2010 | 03:48 PM
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switch is on the floor, left side for the high/lo beam. Activated with your foot, assuming 76's still had the floor dimmer switch and not the column type......................
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Old Jul 18, 2010 | 05:54 PM
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Originally Posted by corvetteload
switch is on the floor, left side for the high/lo beam. Activated with your foot, assuming 76's still had the floor dimmer switch and not the column type......................
Pull the headlight switch out all the way and then dim or bright lights are controlled by switch under the carpet using the left foot.
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Old Jul 18, 2010 | 06:09 PM
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The shudder while turning happening "just a few times" in a long trip sounds mostly like the rear end being low on fluid.

Tends to happen when low and the rear end heats up.

Best to have it drained and filed with fresh lube soon....
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Old Jul 19, 2010 | 01:11 AM
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Ok, thanks again guys. i will check that highbeam switch tomorrow. And the differential fluid too.

thank a lot guys!
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Old Jul 19, 2010 | 07:47 AM
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IN europe i struggled to get some GM posi traction additive! Impossible to get hold of some and no US company will fly it over sea.
I ended up using some 80 90 LS differential oil and it worked great, it has some limited slip additive in it...
Not sure its the same, but it did make my diff stop squeeking in slow turns!

(oil is made by Champion)
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Old Jul 19, 2010 | 11:08 AM
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Originally Posted by Herrie Harrie
oke thanks it could be.
and where does he need it for?


When we were driving the car home this afternoon we found a 'problem'
When we were wiating for a traffis light and start making the turn(it was only when we made a turn after a traffic ligt) the hole car 'shaked' a little bit en we could hear a shokking/cracking sound.

It was only 4 or 5 times in a 300 km ride.
Somebody knows what it could be?

thanks.
Do you live on a Fault Line ???

Only kidding ..but.. we had a quake here in Maryland last week ..so ..anything is possible ....

And yeah, the half shaft would be a good place to start looking ...
Good luck.
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