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speedo gone to sleep 

10 replies to this topic

#1 speedie

  • Joined:27-March 12
  • Location:Australia NSW
  • Car:180sx

Posted 24 April 2012 - 07:16 AM

my speedo has kind of died. It sits at about 200km/h always, but when the car gets to about 150+ it jumps back to life and works from 150-180ish then goes back to sleep at 200 when i slow down.
Any ideas where i should be starting on this one ?
Should i rip out the cluster first or trace the speedo cable ?

Thanks

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  • Attached Image: IMG_06551.JPG


#2 fiend.

  • Joined:24-April 05
  • Location:Australia VIC

Posted 24 April 2012 - 07:47 AM

Personally i'd start by taking out the cluster and clean the contacts of the plugs, which isn't hard to do and would rule that out. Just an idea, I don't know what causes this.

#3 liberate

  • Joined:14-May 06
  • Location:Australia SA
  • Car:S13+S15

Posted 24 April 2012 - 07:50 AM

They don't have a Speedo cable, its all electronic.

Yea maybe pull the cluster out and make sure everything is plugged in correctly

#4 scott black

  • Joined:31-March 12
  • Location:Australia NSW
  • Car:180sx w/ RB25

Posted 24 April 2012 - 09:12 PM

makes for some good photos though :D

#5 liquid.panda

  • Joined:15-April 10
  • Location:Australia NSW
  • Car:S13 - SR20DE

Posted 25 April 2012 - 01:17 PM

View Postscott black, on 24 April 2012 - 09:12 PM, said:

makes for some good photos though Posted Image

Driving at 200kph and still takes his hands off the wheel to take a photo... Haha.

#6 LMFAO

  • Joined:02-February 12
  • Location:Australia QLD
  • Car:EK Civic

Posted 26 April 2012 - 12:28 PM

View Postliquid.panda, on 25 April 2012 - 01:17 PM, said:

View Postscott black, on 24 April 2012 - 09:12 PM, said:

makes for some good photos though Posted Image

Driving at 200kph and still takes his hands off the wheel to take a photo... Haha.

200 kmh and only at 3000rpm!

#7 scott black

  • Joined:31-March 12
  • Location:Australia NSW
  • Car:180sx w/ RB25

Posted 26 April 2012 - 07:15 PM

View PostLMFAO, on 26 April 2012 - 12:28 PM, said:

View Postliquid.panda, on 25 April 2012 - 01:17 PM, said:

View Postscott black, on 24 April 2012 - 09:12 PM, said:

makes for some good photos though :D

Driving at 200kph and still takes his hands off the wheel to take a photo... Haha.

200 kmh and only at 3000rpm!

yeah, he changed the diff ratio

#8 speedie

  • Joined:27-March 12
  • Location:Australia NSW
  • Car:180sx

Posted 27 April 2012 - 02:15 PM

its how i roll. 200kmh where ever i drive.

#9 Alex92

  • Joined:28-October 09
  • Location:Australia SA
  • Car:S13

Posted 28 April 2012 - 02:01 AM

Id take the lens off and push the needle back to 0 as well and see what happens when it next gets power.

#10 Demac

  • Joined:09-November 10
  • Location:Australia VIC
  • Car:Datsun 1200 Ute

Posted 01 May 2012 - 02:49 PM

Do the Odometer and the trip meter work correctly? they are run from the same sensor in the gearbox

you could also remove the sensor to test it or check for a pulse on the Yellow/balck , yellow/blue wires that go to the dash (thru a white plug near your brake pedal

#11 mikk

  • Joined:02-May 06
  • Car:1990 180SX

Posted 02 May 2012 - 02:33 AM

View PostDemac, on 01 May 2012 - 02:49 PM, said:

Do the Odometer and the trip meter work correctly? they are run from the same sensor in the gearbox

you could also remove the sensor to test it or check for a pulse on the Yellow/balck , yellow/blue wires that go to the dash (thru a white plug near your brake pedal

Agree, I had a similar problem. Fixed with a new speedo. Problem was a bad capacitor in the speedo circuit I think





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