Pinpoint Test H: All Battery Saver Components Do Not Operate
WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- H1 CHECK CIRCUIT 705 (LG/OG) FOR AN OPEN
- Key in OFF position.
- Disconnect: Instrument Cluster C220a
- Measure the voltage between the instrument cluster C220a-26, circuit 705 (LG/OG) and ground.
- Is the voltage greater than 10 volts?
- YES : Go to H2.
- NO : VERIFY the central junction box (CJB) fuse 41 (10A) is OK. If OK, REPAIR the power supply circuit. TEST the system for normal operation.
- H2 CHECK CIRCUIT 54 (LG/YE) FOR AN OPEN
- Connect a fused (10A) jumper wire between the instrument cluster C220a-25, circuit 54 (LG/YE), harness side and the instrument cluster C220a-26, circuit 705 (LG/OG) harness side.
- Do the demand lamps operate with the jumper wire connected?
- YES : Go to H3.
- NO : REPAIR circuit 54 (LG/YE). TEST the system for normal operation.
- H3 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
- Disconnect all the instrument cluster connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all the instrument cluster connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
- YES : INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER article. TEST the system for normal operation.
- NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.