Normal Operation
WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Variable pulse width modulated (PWM) voltage is supplied to the instrument cluster and panel illumination source(s) through circuit 19 (LB/RD).
Possible Causes
- Circuit 19 (LB/RD) short to voltage
- Instrument panel dimmer switch (part of the headlamp switch)