1975-78 Manual Transmission Equipped Models
- Check continuity between terminals "A" and "B" at function test connector. See Figure or Figure. Check for voltage with vehicle above 10 MPH. Continuity should exist and voltage should be zero (0).
- If no continuity exists, check for disconnected and/or faulty amplifier, speed detecting switch, or BCDD solenoid valve. If voltage is not zero (0), check connectors, wiring, fuse, amplifier, BCDD solenoid valve, or speed detecting switch. Repair or replace as necessary.