LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1976 >> Cosmo Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition Timing Control - Rotary >> Testing >> Relays >> 1975-78 Models (Except RX7)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

1975-78 Models (Except RX7)

  1. Disconnect wiring from relay. Connect battery positive lead to terminal No. 2 and negative lead to terminal No. 6. Continuity should exist between terminals No. 1 and 4. No continuity should exist between terminals No. 3 and 4. See Figure.
  2. Connect battery positive lead to terminal No. 5 and negative lead to terminal No. 6. Continuity should exist between terminals No. 3 and 4. No continuity should exist between terminals No. 1 and 4. If relay does not test as described, replace it.
scientia non olet · About LEMON Manuals