75-77 C3 Corvette Tach Board Replacement & Needle Calibration ("Zero-In" or "Zeroing" the Needle)

In this video I show you how to remove the tach board from your tachometer and replace it. This applies to all 75-77 C3 Corvettes that had an electronic tach. The "Zeroing" of the needle applies to any 75-82 C3 Corvette that has an electric Tach installed.
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[@gs3504]

Surprised to see the inside so rusty... The right person is working on it.

[@jacklyons2557]

The "thumbs down" are just the junkies who only like the vlogs where some life-endangering issue is discovered. Keep up the good work.

[@byronholt5386]

Keep bringing the Corvette content! Thanks!!

[@jsly5473]

Such a timely video. Thanks for putting it out. Praise God!

[@rmarion71]

Welcome back Ben! Love your Corvette videos!

[@fleetwin1]

So cool that the tach can actually be repaired like that...

[@marcodevries4481]

???

[@RestorationObsession]

Ben, that board is probably fine. In my experience (10 yrs) restoring pinball machines, one of the most common problems I've run into with old boards is that the solder and pins being different metals they tend to corrode and create an oxidization layer between them, thus interrupting the flow of electrons. Simply re-heating/ re-soldering all the solder joints will resolve almost all problems. I would say though that the one resistor on that old board did get hot, but that's probably normal. One could probably just replace the resistor and caps and re-solder the joints and the old board would be just fine. Of course, I am a glutton for punishment and like to save a few bucks. ;)

[@IcelanderUSer]

Shango66 has a channel that repairs old electronics. He’ll replace capacitors, resolder, etc.

[@rubyred93chev]

_Can't wait to see the progress on this '75 drop top gem. More videos Ben, the suspense is tough for your followers._

[@mikestone7692]

Yes, what Gene said...

[@chipanzee7507]

Yay another Ben video! Where you been

[@tcwascawy1]

Great to see you again! Hope you and your family had a great holiday season. You were missed.

[@cuttysupe7749]

Man I've missed your uploads!!! Cant wait to see your latest projects and the Caddy!! I need more Caddy!! Haha

[@9898dt]

Great to see you back Ben! Hey, take the rusty tach housing and drop it in a pan of vinegar for a day and eat off that surface rust 👍

[@AndysDogHouse]

Hey Man. That darn moisture can wreck things so bad it isn't funny. Good job with the repair. Thanks for sharing.🍁👍👍

[@MaxDoody]

Yes this was one of the first jobs I did when I picked up my wife’s 76. I got my board from Wilcox Corvette and works great.

[@brucerobbins755]

From experience seems like it might have had a water leak or windows might have been left open. Glad you're back.

[@bradwiebelhaus7065]

Thanks

[@mikehennington492]

Love your videos

[@RestorationObsession]

Such lovely new gauges, Ben! I may need to look into those soon. My tach needle bounces like a bouy on a whitewater rapid and my speedo is short by about 5mph lol but that was my fault and I know what I need to do to fix it. Cheers and happy 2021!!!!

[@bm9900]

Sweet. I did the same exact thing to mine

[@tomreed9606]

Missed ya Ben!

[@2tana22]

You made that look easy

[@angelonicassio7131]

Great videos! I wish i could afford a C3 but I guy can dream:)

[@janisber111]

Since I love messing with electronics, I would try to repair original board xD its way more simpler to repair it than smd stuff xD

[@steveorules3972]

Hey my friend, where have your vids been? Lol..I'm having an Amazing c6z06 being built that will be having a complete write-up/documentation by corvette forum.

[@iamrichrocker]

Ben..were you studying car repair manuals/books at age 5 or so?? would like to hear how you got this passion for Corvettes?

[@socialghost4400]

dumb question; is it worth trying to rebuild the old circuitboard by replacing the old resistors with new ones, or is it more feasible to just order a new one? ....I haven''t looked up what a new circuitboard costs

[@jameshall4385]

That thing looked like you rescued it from the Titanic

[@jerryking7502]

I would keep that old board and fix it.

[@nosajselrauq9438]

What do I need to do for my speedo to work on my 74 stingray, I switched my distributor to performance msd dist? ( mechanical to electrical )

[@wernerdanler2742]

Hi! I've taken my cluster out of my mercedes several times and taken it apart to try to replace the little LCD screens. You have to take the needles off to get to the screens. What a pain in the ass to reset them! Lol I've got them reset pretty close but my fuel gauge is still sitting a little high. I don't understand why they don't put some kind of notch on the stems to position the needles in the same place they were. Are all automotive engineers stupid or just some? Lol

[@chadportenga7858]

The amount of rust makes you wonder if the car was in a flood. 🤔

[@frankc1430]

Hell! You should have just replaced the resistor! It would cost you pennies.

[@UCFCamaroSS]

78 to 82 isnt much different