300ZX (Z31) Forums Dedicated to 84-89 ZCars otherwize known as the Z31's

Digital gauge speedo doesn’t read so no 4th gear on auto

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Old Apr 14, 2018 | 08:10 PM
  #1  
TEC3's Avatar
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Digital gauge speedo doesn’t read so no 4th gear on auto

Hey guys,

Hit my first issue that I couldn’t find a clean answer for on google, zforum or xenonzcar.

Apparently on the autos 4th gear(overdrive) is tied to the speedometer. Even when my digital dash is working my speedo reads “0”. So that means no 4th gear.

Could someone point me in the direction of the digital speed sensor? Would like to try and get that fixed.

Thanks,

Tommy
87 non turbo auto
Old Apr 14, 2018 | 08:59 PM
  #2  
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Is this the correct piece? I am slowly trying to get her back into street shape.

https://www.ebay.com/itm/273146049787
Old Apr 20, 2018 | 09:37 PM
  #3  
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From: Orlando, FL
Should be right by the battery.

Check 300zx Parts For You webpage for a used one. Then download the FSM from Xenon.
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