C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Nov 6, 2007 | 10:35 PM
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Hopefully someone can help me out on this one... I have a 79 L48 with a 350. Inside on the driverside fender well is a orange box towards the front of the fender with one wire running into it. I have no idea what the thing does if anything. THe car did have a factory alarm at one time most of it has since been removed before I took ownership. I have a picture but since i'm not a supporting member I can't post attachments...if you might think what it is let me know and i'll email you the picture.

thanks
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Old Nov 7, 2007 | 02:56 AM
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im fairly sure that is the timer for the interior lights. It controls the time your interior lights stay on after you close your doors. On earlyer models i believe it was meatal, then they swiched to ornge plastic.
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Old Nov 7, 2007 | 08:25 AM
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thanks that will give me somewhere to start...i'll run the sycmatic down and see if it's one there. I thought thought the timer was behind the glove box on some models too. This is in the engine bay.

Thanks
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Old Nov 7, 2007 | 08:35 AM
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Interior light timer is behind the glovebox on the passenger side Inside the car.
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Old Nov 7, 2007 | 09:07 AM
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Originally Posted by 79 t-top
I have a picture but since i'm not a supporting member I can't post attachments...if you might think what it is let me know and i'll email you the picture.

thanks
Are you certain of that, I am NOT a supporting member yet I can post pictures,,, someone needs to chime in (DB maybe ?) , oh and by the way I cant help with your question, on my '80 the int. light timer is inside the passenger compartment, Peace,,, Moosie
OOPPPSS can post images but cant post attachments,,, apples v oranges.

Last edited by moosie982; Nov 7, 2007 at 09:10 AM.
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Old Nov 7, 2007 | 09:51 AM
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You don't have to be a supporting member to post pics. Set up an account at Photobucket or some like site, Upload your pic there and then paste a link to the pic in your post
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Old Nov 9, 2007 | 11:22 PM
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ok, I got a photobucket account like suggested and put the image up here ...it's the orange box in the upper part of the photo on the driverside engine bay fenderwell...let me know what you all think it might be...
thanks

Last edited by 79 t-top; Nov 9, 2007 at 11:53 PM.
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Old Nov 10, 2007 | 08:18 AM
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Thats an add-on of somekind. Trace the wires and see where it goes.
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Old Nov 10, 2007 | 09:16 AM
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That is not GM. There is nothing there on a 1979 aside from the wiring junction to the alternator.

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Old Nov 10, 2007 | 12:57 PM
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Originally Posted by SIXFOOTER
Interior light timer is behind the glovebox on the passenger side Inside the car.
Same location for 1982. Had to replace one.......Mark
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Old Nov 10, 2007 | 06:37 PM
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At first read I thought it might be a diagnostic connection. I am not familiar with the late 70s C3s that way, but my '77 Bonneville had one. Not extacly sure what you could get out of it, maybe tach signal? I don't believe that is what you show though. It looks like part of an old alarm maybe.
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Old Nov 12, 2007 | 07:21 PM
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yeah... I kinda thought maybe it was a alarm... must be aftermarket because I checked my scmatic and the alarm doesn't run anywhere near that part of the car.

Thanks for all the responses
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Old Nov 12, 2007 | 07:23 PM
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funnymuny...do you by any chance remember what the part was that you replaced?
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