riki5156

Not sure how the speedo situation works but can i just change speedometers with a known good one or is there recalibration that has to be done.1990 d250 mine has broken internal parts thanks to dimwit exwife who tried to turn the reset button rather than push

u2slow

Swaps right over. The calibration is taken care of at the signal source (transmission or tcase).

It needs to be 90-93 as they are electronic signal driven.

riki5156

Yep they are 90s thanks.