jakecol

Any ideas/thoughts? When I move the ignition switch to the "on" position, the tach. and speedometer peg out and then return to to zero. I thought that I read an article stating that the LMC5 fixes this but I'm not sure. I do have anLMC5 unit on it's way.

Phanni

That is normal for all C-5s, it is part of the initial computer checks.
All 'analog" gauges do a sweep when the ignition is turned to on.

jakecol

"Thanks" for the for the info. For some odd reason I thought the same.

GySgt1811

And the DIC sweeps one way and then the other spelling out "Corvette...by Chevrolet." I LOVE it. (In case I forget that I climbed into the 'vette instead of the Avalon.)

Gunny John

jrose7004

Fact is most folks let it sweep before they start the car.

Vetteman Jack

What you are describing is completely normal.

RCFC5

I just installed the LMC5 on my 98 and gauges sweep as they should

PeteZ06

What is a LMC5?

laurent_zo6

Here is a link that can explain it better than me. Also tons of posts on this subject if you do a search:

http://www.complianceparts.com/lmc5whoneeds1.html

jakecol

"Thanks" to all of you for the info. As this is my first, and probably the only Vette I will probably own, I value your knowledge.

Cybermind

Actually no, not all analog gauges do a sweep on startup. This was a feature that was added to the C5 during its design. Having pure analog gauges was important to the C5 designers and the sweeping feature was added as an enhancement along with UV black lighting and floating gauge appearance at night.

Interesting tidbit: Most airplanes have analog gauges that sweep. This helps ensure that the gauges work throughout their range and are not sticking. I guess it's extremely important to know this prior to take off. Not so much with a car, but it is a cool feature.