C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Shift light quit on me, need ideas

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Old Jan 6, 2015 | 08:06 PM
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Default Shift light quit on me, need ideas

Well I had my shift light in for a few years. It is connected to the tach filter and has been working flawlessly till it stopped. I checked all the connections and they see fine, even tried connecting to the white tach wire under the dash but no luck. [Forgot to mention that it will work if I set it to low rpms, about 3500] I tried a diff. light and it acts the same so I'm out of ideas and hope some member has some. I thought about maybe the filter is bad but the tach works fine.
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Old Jan 7, 2015 | 11:55 AM
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Originally Posted by kimmer
Well I had my shift light in for a few years. It is connected to the tach filter and has been working flawlessly till it stopped. I checked all the connections and they see fine, even tried connecting to the white tach wire under the dash but no luck. [Forgot to mention that it will work if I set it to low rpms, about 3500] I tried a diff. light and it acts the same so I'm out of ideas and hope some member has some. I thought about maybe the filter is bad but the tach works fine.
....... Did you try connecting it to the distributor tach output on the dist side of the filter ? ........
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Old Jan 7, 2015 | 03:20 PM
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I do have it connected to the tach filter but can't remember if I have it on the opti spark side.
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