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  #1  
Old 09-12-2013, 10:12 AM
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What the crap is this???

Little yellow wire hanging out on the Harmonic Balancer, cut off, is this where my missing 47 HP is going?
Is it something I need and where does it go...orrrr can I just get rid of it?

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  #2  
Old 09-12-2013, 10:20 AM
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Looks like the mechanical sender for a tachometer.

Phil Forrest
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Old 09-12-2013, 10:42 AM
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Originally Posted by Phil_F_NM View Post
Looks like the mechanical sender for a tachometer.

Phil Forrest
As in previously installed, aftermarket tachometer?
The car is a 1976 280C with an automatic trans. I don't think they came with a tach. from factory, I could be wrong.
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  #4  
Old 09-12-2013, 11:42 AM
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Here's a shot of it off the car.
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  #5  
Old 09-12-2013, 11:52 AM
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You can ditch it. That is an electronic pickup of some sort. They typically read a magnet or a notch (or notches/gap) to determine crank position. On more modern cars, the computer has something similar that determines crank position, but that's not likely with yours.

Maybe a prior owner was trying out a crank-fired ignition but gave up?

Easiest way to get a tach on a gas engine is an alternator or ignition signal set to the number of cylinders, so I'm not sure why they'd try off the crank.

Good luck on finding that missing 47hp. You are missing more than double of what my 72 Fiat 500 makes on a good day!
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Old 09-12-2013, 12:40 PM
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Thanks Palolo.
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  #7  
Old 09-12-2013, 03:18 PM
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They are all lying to you.....it's a government transmitter....used to track the mob boss that use to own your car
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Old 09-12-2013, 03:35 PM
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They are all lying to you.....it's a government transmitter....used to track the mob boss that use to own your car
As my bottled water squirts out my nose. ROFLMAO.
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Old 09-12-2013, 05:05 PM
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Could this car have a later engine installed? Perhaps that's from some aftermarket cruise control system?

-J
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Old 09-12-2013, 05:40 PM
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Could this car have a later engine installed? Perhaps that's from some aftermarket cruise control system?

-J
No, original motor. Car started out in Santa Ana, CA purchased by a doctor; it was then sold to the gentleman that I bought it from, he lived in Albaquerque, NM then moved to OH. I've owned it since 1999.
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Old 09-12-2013, 06:09 PM
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I'm pretty sure this was diagnostic thing for checking timing usually only found on US versions of 70s Mercedes. I've seen a few cars with it, it usually runs to a big connector on the drivers side inner fender that sort of look like the tach amplifier connector.

It has nothing to do with the runability of the car.
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  #12  
Old 09-12-2013, 06:53 PM
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Originally Posted by DieselPaul View Post
I'm pretty sure this was diagnostic thing for checking timing usually only found on US versions of 70s Mercedes. I've seen a few cars with it, it usually runs to a big connector on the drivers side inner fender that sort of look like the tach amplifier connector.

It has nothing to do with the runability of the car.
Thanks DieselPaul.
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Old 09-12-2013, 07:27 PM
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There still lying to you, just wait till his ol lady comes knocking on your door.....wanting to know why you have his car....

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Old 09-12-2013, 09:04 PM
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There still lying to you, just wait till his ol lady comes knocking on your door.....wanting to know why you have his car....

You guys are a F*&%$ riot!!!
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  #15  
Old 09-12-2013, 09:42 PM
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and this actresses name is.....????





wait for it.......






mercedes ruehl (pronounced rule)! how perfect is that?
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There still lying to you, just wait till his ol lady comes knocking on your door.....wanting to know why you have his car....


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