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Reverse lights on in Drive

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Old Sep 24, 2012 | 09:11 AM
  #1  
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From: Austin Tx
Default Reverse lights on in Drive

I recently replaced the Neutral Saftey Switch (automatic), and I just noticed that my backup light is comming on in Drive (1,2 and 3). They are off in Park, and Neutral.

Is the switch bad, or could I have connected it wrong?

Thanks,
Matt
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Old Sep 24, 2012 | 09:56 AM
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Not sure what year you are talking about? When you installed it, did you adjust it? Dont the screw attachments have slots for moving it? Read this link

http://forums.corvetteforum.com/c3-t...ty-switch.html

Last edited by MelWff; Sep 24, 2012 at 10:00 AM.
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Old Sep 24, 2012 | 10:15 AM
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From: Austin Tx
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Thanks,

I didn't know there was an adjustment - I made sure the switch was all the way forward, and the shifter was in Park when I put it on. I guess there is more to it.

I used the link you provided, and found the reference material by Wilcox, I will give that a shot.

Thanks,
Matt
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Old Oct 4, 2012 | 02:43 PM
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From: Austin Tx
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OK, I finally got around to looking at this problem.

I opened up the switch to see if I could see a problem. The switch is VERY simple, and I couldn't see how it could not function correctly.

So I figured that there was something with the wiring. I noticed that the connector with the reverse light wire (green wire) had the wires reversed from the connector in the car. So I reversed the green/pink wires in the connector on the switch, and the reverse lights started to work correctly - but the seatbelt warning light was staying on all the time. So I then reversed the pink wires in the other connector on the switch, and that fixed the seatbelt warning light.

So, I needed to reverse the wires on 2 of the connectors on the switch. My car is an 72 (dec 71 build), I don't know if there is something particular about that. I think it's more likely to have to do with the production of the switch.

So, anyone getting a new nuetral saftey switch, test it before you put everything back together, and if something is not working correctly, look at the connectors.
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Old Oct 5, 2012 | 03:10 PM
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Had the EXACT same problem with a new NSS I had installed in my '75 Vert. I cut the green & pink wires and wired the pink to the green and the green to the pink and the switch worked perfectly. I contacted the vendor (ZIP Corvette Parts) and the manufacturer and told the manufacturer about the problem. He checked his inventory and agreed that the wiring was wrong and they could have to correct it....I guess this one fell through the crack.
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Old Oct 6, 2012 | 12:29 PM
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From: Austin Tx
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Thanks. I figured it was a quality control issue.

In case someone else has this problem, you shouldn't need to cut the wires, they can be removed, and reinserted back into the connector. I believe the green/pink wires had the small tab on the top. And the pink/pink wires had the blade connector that need to be compressed from the side.
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