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Shift light installed, not working

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Old Oct 26, 2009 | 02:43 PM
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Default Shift light installed, not working

I bought a shift light from Jegs (non-led, basic $50 one) and the past few days I've been messing with this thing trying to get it to work. I found the "bone" white tach wire under the dash, every time I touch a tester to it the tach needle will move, and it also pops a code (P0654 Engine Speed Output Circuit) So I know that wire is correct. I grounded it off to a bolt near next to the wire bundle, and the power wire is connected to the pink wire. (I have also tried the orange one) When I first put the key in and turn it to on, the light lights up for a few seconds then shuts off, but when I rev it up to my predialed RPM it doesn't turn on. I'm simply out of ideas. Anyone have any suggestions? I'll take anything. Thanks!
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Old Oct 27, 2009 | 12:39 AM
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So if I mess with the positive power lead and it makes the light come one. Could that mean anything?
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Old Oct 27, 2009 | 12:41 AM
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Originally Posted by CG C5
So if I mess with the positive power lead and it makes the light come one. Could that mean anything?
How are we suppose to know? You are the one doing the wiring, and you have not posted a schematic for the shift light....it's anyone's guess what is wrong....
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Old Oct 27, 2009 | 11:37 AM
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I got the schematic and wiring directions from this post.
http://forums.corvetteforum.com/1544734775-post1.html

Here is just the wiring diagram.
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Old Oct 27, 2009 | 12:04 PM
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I wanted a schematic for your shift light, not the car..... Also, there is no telling what you spliced into given those directions.....
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