2000 Chevrolet Shift Indicator Flashes

2000 GMC
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SENTRAMAN
  • MEMBER
  • 13 POSTS
If my manual shift down/up indicator flashes sometimes for about 2sec or so what does that mean. It happens when i'm driving slow 40km/h or so but i don't see that the car behaves differently then before. It has automatic transmission with 80 000km on it. Is this a concern because this is my first car with automatic transmission before i only had manual. I hope my transmission is not close to its end. Thanks for the help in advance.
Apr 16, 2006 at 8:26 AM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
Some idiot at the factory put in a manual dash for an automatic. I have seen this a lot of times. the light is vacuum driven and has no affcet on anyhting. It is for standard tranny drivers that can't shift. You can do a light-ectomy or put a piece of black tape over the light so it won't bother you. TTFN
Apr 16, 2006 at 1:42 PM
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SENTRAMAN
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  • 13 POSTS
Thank you very much for the quick response, if only there was more good guys like you.
Apr 16, 2006 at 2:17 PM
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Suggested Repair

The flashing manual up/down shift light is a vacuum-driven indicator meant for a manual transmission and does not affect the automatic transmission. Cover the light with black tape or remove the bulb so it no longer distracts you.

Conversation Summary

The owner of a 2000 Chevrolet with an automatic transmission noticed the manual shift up/down indicator flashing briefly at about 40 km/h, with no change in how the vehicle drove, and worried the transmission was failing. The expert said a manual-transmission dash indicator had been installed by mistake, that the vacuum-driven light has no effect on operation, and that it can be covered with black tape or the light removed.

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