Charts A-7 To A-10: Wheel Sensor CKT
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1988 Cadillac Fleetwood, 1988 Cadillac DeVille, 1987 Cadillac Fleetwood, 1987 Cadillac DeVille, and 1986 Cadillac Fleetwood. However, it is still accessible from the selected car via links, so may be relevant.
Wheel sensors, sends a AC signal to EBCM, by passing a toothed ring past 2-pole inductive sensor. EBCM determines calculated wheel speed, using sensor output frequency, to detect wheel lock-up. Voltage can be as low as 50 millivolts. Resistance of sensor should be 800-1400 ohms. If cable is damaged, repair or replace cable, using manufacturer repair kit.