ABS Warning Light Diode Check
WARNING: This page is about a different car, the 1990 Ford Probe and 1989 Ford Probe. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect ABS control module. Turn ignition on. Using jumper wire, connect Black/Blue wire at ABS control module connector to ground. Check ABS warning light for illumination when system is grounded. If ABS warning light illuminates, go to PINPOINT TEST FSR-9 . If ABS warning light does not illuminate, go to PINPOINT TEST FSR-5 .