Tuscan speedo behind by 10 mph
Discussion
Is the indicator arm zeroing when you turn on the ignition or is it starting below the 0mph mark?
If its resetting to zero then its possibly the speed sensor on the rear passenger wheel hub (gape between the cog teeth and the sensor has opened up and needs resetting ) or the sensor is on its way out or possibly noise in the system ( check your earth points).
If the arm sets under or over the Zero mph mark then the arm has slipped on its shaft ( just a small grub screw). There is a how too knocking about in pdf. Is an easy job really but you have to take the printed circuit board sandwich out of the dash pod. it comes out with speedo. Flip it over and you will see the worm gear, grub screw and zero switch. Did mine resently.
If its resetting to zero then its possibly the speed sensor on the rear passenger wheel hub (gape between the cog teeth and the sensor has opened up and needs resetting ) or the sensor is on its way out or possibly noise in the system ( check your earth points).
If the arm sets under or over the Zero mph mark then the arm has slipped on its shaft ( just a small grub screw). There is a how too knocking about in pdf. Is an easy job really but you have to take the printed circuit board sandwich out of the dash pod. it comes out with speedo. Flip it over and you will see the worm gear, grub screw and zero switch. Did mine resently.
Snaaakeey said:
Is the indicator arm zeroing when you turn on the ignition or is it starting below the 0mph mark?
If its resetting to zero then its possibly the speed sensor on the rear passenger wheel hub (gape between the cog teeth and the sensor has opened up and needs resetting ) or the sensor is on its way out or possibly noise in the system ( check your earth points).
If the arm sets under or over the Zero mph mark then the arm has slipped on its shaft ( just a small grub screw). There is a how too knocking about in pdf. Is an easy job really but you have to take the printed circuit board sandwich out of the dash pod. it comes out with speedo. Flip it over and you will see the worm gear, grub screw and zero switch. Did mine resently.
Thanks for the info, i will check where the needle is sitting. From memory it was at 0MPHIf its resetting to zero then its possibly the speed sensor on the rear passenger wheel hub (gape between the cog teeth and the sensor has opened up and needs resetting ) or the sensor is on its way out or possibly noise in the system ( check your earth points).
If the arm sets under or over the Zero mph mark then the arm has slipped on its shaft ( just a small grub screw). There is a how too knocking about in pdf. Is an easy job really but you have to take the printed circuit board sandwich out of the dash pod. it comes out with speedo. Flip it over and you will see the worm gear, grub screw and zero switch. Did mine resently.
Morning I am assuming you have the wavey dash with digital readout in the centre and an analogue speedo? If yes , this common . There is a submenu were you can increase the value on the analog dial. From memory it’s represented as a percentage. It takes a bit of trial and error but it’s straightforwards once you understand the process. I believe Keith Hume has a copy of the dash instructions.
Morning I am assuming you have the wavey dash with digital readout in the centre and an analogue speedo? If yes , this common . There is a submenu were you can increase the value on the analog dial. From memory it’s represented as a percentage. It takes a bit of trial and error but it’s straightforwards once you understand the process. I believe Keith Hume has a copy of the dash instructions.
lee02 said:
Morning I am assuming you have the wavey dash with digital readout in the centre and an analogue speedo? If yes , this common . There is a submenu were you can increase the value on the analog dial. From memory it’s represented as a percentage. It takes a bit of trial and error but it’s straightforwards once you understand the process. I believe Keith Hume has a copy of the dash instructions.
Hi. I also have this problem. Who is Keith Hume and do you know how I contact him please?Thanks in advance for any help.
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