LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1990 >> Thunderbird Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Anti-Lock Brake System) >> Pinpoint Tests >> Pinpoint Test FSR-9 >> Diode Continuity Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diode Continuity 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.
  1. Verify ignition is off. Disconnect ABS fail-safe relay.
  2. Set VOM on 200 ohm scale. At ABS fail-safe relay, connect positive VOM lead to terminal "j". Connect negative lead to terminal "h". Resistance should be less than 5 ohms.
  3. Set VOM on 20 k/ohm scale. At ABS fail-safe relay, connect positive VOM lead to terminal "h". Connect negative lead to terminal "j". Resistance should be greater than 10,000 ohms.
  4. If resistances are as specified, go to PINPOINT TESTS WL-1  through WL-3 . If resistances are not as specified, replace ABS fail-safe relay.
scientia non olet · About LEMON Manuals