Also have you purchased the tachometer ? |
And is the ECM module (with the pin 4) visible without opening the dash in your car?I am asking this because if the pin 4 is accessible we can just connect the tachometer to it without opening the dash and see if it is working or not.Thisway we will be sure of the electrical part atleast.
ECM is located at back side of the glove box and we should not disturb it as it is main part of our car.It costs around 30k. This cable will be routed from ECM to the speedo console surely as deville WagonR speedo console has so we need to only open the front console so that to trace the only one full Brown tacho signal cable comes from the ECM.
Another thing i want to conform the Ritz tacho comes with white socket plug type pin so its whether possible to plug that in speedo console anywhere we need to check so definitely we need to remove the console to verify it
Without opening the top dash we can't able to access the speedo console screws becoz the console is closed by the top dash.
If we identify this then we can arrange the material what ever we need to start the work.
No big modification needed as ritz support the metal bracket directly to frame so It fits like OEM