940 L4-2320cc 2.3L SOHC Turbo VIN 87 B230FT (1992)
Speedometer Head: Testing and Inspection
Speedometer Reading Incorrect
1. Vehicle speed sensor position in relation to toothed wheel is incorrect.
2. Instrument cluster has incorrect ground potential.
3. Defective speedometer.
4. Vehicle speed sensor ground connection has incorrect ground potential.