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81 corvette wire question

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Old Apr 4, 2018 | 11:36 AM
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Default 81 corvette wire question

On my dad's 81 I can't figure out where this brown connector goes to. It is a white wire off the brown wire to the distributor. Any idea?
Thanks
Joey

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Old Apr 4, 2018 | 01:25 PM
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Originally Posted by Joe79Vette
On my dad's 81 I can't figure out where this brown connector goes to. It is a white wire off the brown wire to the distributor. Any idea?
Thanks
Joey

I think it should go to the tach filter.
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Old Apr 4, 2018 | 03:29 PM
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Look at post #3 in this link to see what the filter looks like
https://www.corvetteforum.com/forums...e-c3-tach.html
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Old Apr 4, 2018 | 04:04 PM
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Thank you both. I will take a look. Strange it was removed. It is a all original car with very low miles. I was cleaning it up to be judged when I noticed it. Thanks again.

Joey
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Old Apr 4, 2018 | 04:33 PM
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I think I found the answer. I looked again in the AIM and did more research. Looks like DUB answered this back in 2014.
#3

DUB , 01-21-2014 07:38 PM
The white wire coming off your distributor...that is plugged into the TACH area on your cap...has another white wire that has a brown female connector end on it. This is used for connecting test equipment while working in the enginecompartment so you can see the RPM's when testing and repairing anything that requires watching the RPM's.

DUB
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Old Apr 4, 2018 | 07:50 PM
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I second that , that doesn't go to anything . .. mine isn't connected to anything either but I remembered back in the day working on vettes it was always unplugged ,
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Old Apr 4, 2018 | 09:34 PM
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Looks like we may have solved the mystery. Thank you all for replying and helping.

Joey
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Old Apr 5, 2018 | 07:25 AM
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I saw the same wire yesterday when I was troubleshooting a misfire on my 80'. Good to know!
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