Operation CHARM: Car repair manuals for everyone.
Home >> Ford >> 2007 >> E 250 V8-5.4L >> Repair and Diagnosis >> Starting and Charging >> Charging System >> Testing and Inspection >> Pinpoint Tests >> Dual Generators >> Test J: The Charging System Warning Indicator Is Off With The Ignition Switch In The Run Position And The Engine Off
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Test J: The Charging System Warning Indicator Is Off With The Ignition Switch In The Run Position And The Engine Off

PINPOINT TEST J: THE CHARGING SYSTEM WARNING INDICATOR IS OFF WITH THE IGNITION SWITCH IN THE RUN POSITION AND THE ENGINE OFF


J1-J2:






J2-J3:






Normal Operation
Under normal operation, the charging system warning indicator is on with the key in the ON position and the engine off.

Possible Causes
- Upper generator C102a disconnected
- Lower generator C1251a disconnected
- I circuit 1183 (WH/YE)/904 (LG/RD) (upper), circuit 1185 (YE)/1183 (WH/YE) (lower) open
- Charging system warning indicator circuit 904 (LG/RD) open
- Upper generator
- Lower generator
- Instrument cluster
- Powertrain control module (PCM)
pro multis · About Operation CHARM