There are probably small amounts of iron filings from the brake pads on the abs sensors. Pull the abs sensors and examine the gap. You may need to remove the brake rotor and hub to clean the area behind the hub of these iron filings.

__________________
Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.