Instrument Cluster C220a
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
INSTRUMENT CLUSTER C220A CONNECTOR CIRCUIT REFERENCE
| Pin Number (s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 3 | 1418 (LB/WH) illumination feed | 0 volts with the headlamp switch in the OFF position. Variable voltage between 0 and 10 volts with the headlamp switch in the PARK/ON positions, dependent on the instrument panel dimmer switch position. Less than 5 ohms resistance between the instrument cluster and the instrument panel dimmer switch. Greater than 10,000 ohms between the instrument panel dimmer switch and ground. |
| 20 | 1205 (BK) ground | 0 volts, less than 5 ohms resistance between the instrument cluster and ground. |