"john" <jmbroich@chartermi.net> wrote in message news:<1041iv8l437daae@corp.supernews.com>...
> I have a 91 Honda Accord which has a problem that happens intermittently
> while driving. The speedometer and odometer are working fine then all of a
> sudden the speedometer drops to 0 and the odometer stops registering
> mileage. Sometimes they will start working again during the trip, and other
> times they won't. There doesn't seem to be anything that triggers the
> failure. When they stop working, a green indicator light with a 'S' in it
> (under the temperature gauge) and the yellow indicator with a engine icon
> light up.
> A local repair show said that he could replace a sensor (or sending unit ?)
> on the transmission for around $150 but wouldn't guarantee that it would fix
> the problem. I would appreciate any help.
> Thanks
> John

it's a bad vehicle spped sender.
Chip