- Joined
- Sep 1, 2021
- Messages
- 12
- Reaction score
- 5
- Points
- 3
- Location
- Usa
- Vehicle Year
- 1990
- Make / Model
- Ford ranger xlt
- Transmission
- Manual
On ‘90 2.9L manual/manual trans and transfer case am I correct in thinking the speed is taken from a sensor on the transfer case and the 4wd & 4low switches provide ground to the dash indicators. Does the PCM utilize that 4wd/4low signal in any way or is it strictly for indication?