LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2012 >> Taurus SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 1719 (Component Testing (Except Hybrid)) >> Introduction >> Ignition Switch >> Component Testing Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Testing Procedure

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
IGNITION SWITCH - COMPONENT TESTING

Circuit to test Connect self powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
Starterelay circuit 4 and 7 Off Open circuit
ACC Open circuit
Run Open circuit
Start Closed circuit
Run/Start power circuit 4 and 1 Off Open circuit
Ace Open circuit
Run Closed circuit
Start Closed circuit
Run/ACC power circuit 4 and 6 Off Open circuit
ACC Closed circuit
Run Closed circuit
Start Open circuit
Key reminder circuit 4 and 5 Key In Closed circuit
Key Out Open circuit
Key removal inhibit circuit 4 and 3 - 65-75