Possible Causes
WARNING: This page is about a different car, the 2005 Mercury Mountaineer, 2005 Ford Explorer, 2004 Mercury Mountaineer, and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- Inoperative ICM
- Inoperative heated backlight relay
- Short to voltage in circuit 186 (BN/LB)
- Short to ground in circuit 688 (GY/LB) or 1009 (OG/YE)
- Inoperative EATC or climate control module