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Discussion Starter · #1 ·
Hi everyone. I just picked up a 2016 smart that was a former car2go unit. I am trying to install a tachometer but the wiring harness does not appear to be where it’s supposed to be to plug it in to the car under the dash. I know that car2go used the same spot as the tach for their hardware so I am not sure if they took it out or what. Does anyone know if I can purchase the harness and if so where it needs to be plugged in?

thanks for any advice
 

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Discussion Starter · #3 ·
I just looked under The dash on the right side / passenger footwell And didn’t see anything that looks like a plug not being used. By chance do you have a picture of what yours looks like?
 

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Discussion Starter · #8 ·
This is on a 453, correct? If so, here's the info you need (subscription required): Evilution - Smart Car Encyclopaedia :)
Yes it’s for a 453 but the plug that is in the picture at Evilution is not there. I think is has to do with the car being a former Car2go unit. From what I can determine they would use the same plug to connect their rental hardware. I am thinking that when they removed the rental hardware they removed the wiring harness that I need.
 

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Hi everyone. I just picked up a 2016 smart that was a former car2go unit. I am trying to install a tachometer but the wiring harness does not appear to be where it’s supposed to be to plug it in to the car under the dash. I know that car2go used the same spot as the tach for their hardware so I am not sure if they took it out or what. Does anyone know if I can purchase the harness and if so where it needs to be plugged in?

thanks for any advice
My tach is on the dash on the driver's side on my '16 Prime. Factory spot.
 

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Discussion Starter · #11 ·
Here's my '16 interior
.. ...notice the tachometer on the left most dash.
That is where I am trying to install my tach too but the harness that it need to plug into it is not there. I am trying to determine where the plug terminates so I can find it.
 

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I'll take one tomorrow
  • Hi everyone. I just picked up a 2016 smart that was a former car2go unit. I am trying to install a tachometer but the wiring harness does not appear to be where it’s supposed to be to plug it in to the car under the dash. I know that car2go used the same spot as the tach for their hardware so I am not sure if they took it out or what. Does anyone know if I can purchase the harness and if so where it needs to be plugged in?

    thanks for any advice
    Just a guess but since it was a fleet car, it probably was not in the build. 🤷‍♂️
 

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Same problem with my 2016 , I am pretty sure it’s also a car2go. No connector under the side panel.
Is it still possible to hook up the tach?
 

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Hi everyone. I just picked up a 2016 smart that was a former car2go unit. I am trying to install a tachometer but the wiring harness does not appear to be where it’s supposed to be to plug it in to the car under the dash. I know that car2go used the same spot as the tach for their hardware so I am not sure if they took it out or what. Does anyone know if I can purchase the harness and if so where it needs to be plugged in?

thanks for any advice
Hello, I have a Smart Fortwo 453 from 2018, with the same problem. I'm trying to locate that cable, needed to connect the tachometer. Did you manage to find it? Thank you
 

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Hello, I have a Smart Fortwo 453 from 2018, with the same problem. I'm trying to locate that cable, needed to connect the tachometer. Did you manage to find it? Thank you
No, not yet. They also removed a trim piece on the dash by windshield, right in front of instrument cluster and there are some wires cut off, I have to follow where they go to, maybe that’s it. I believe they used those wires for some of their rental hardware or their gps, not sure.
 

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Hi, thanks for your feedback. I will have a look under that trim piece (mine is still there) and let you know if I find the missing loom & coupling...
 
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