Pick-Up Coil Resistance Test
- Turn ignition off. Disconnect connector for terminals "W" and "G" at amplifier module. Using an ohmmeter set in the x100 scale, check the resistance between terminals of harness connector leading to the distributor. See Fig 1.
- Reading should be 900-1100 ohms. If resistance is not within specifications, replace the magnetic pick-up coil. If the resistance is high, check for corroded contacts.