Pinpoint Test C: No Power In Run
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multi-meter probes.
- C1 CHECK THE IGNITION SWITCH
- Carry out the Ignition Switch - Electrical .
- Does the ignition switch test OK?
- YES : Go to C2.
- NO : INSTALL a new ignition switch. REFER to Ignition Switch . TEST the system for normal operation.
- C2 CHECK THE VOLTAGE SUPPLY TO THE CJB
- Disconnect: CJB Fuse 6 (10A)
- Disconnect: CJB Fuse 7 (10A)
- Disconnect: CJB Fuse 8 (30A)
- Disconnect: CJB Fuse 9 (5A)
- Key in ON position.
- Measure the voltage between ground and:
- CJB fuse 6 (10A) cavity, circuit 687 (GY/YE), input side.
- CJB fuse 7 (10A) cavity, circuit 687 (GY/YE), input side.
- CJB fuse 8 (15A) cavity, circuit 1499 (PK/LG), input side.
- CJB fuse 9 (5A) cavity, circuit 297 (BK/LG), input side.
- Are the voltages greater than 10 volts?
- YES : VERIFY the concern. Go to Symptom Chart .
- NO
: INSPECT fuse 6 (10A), if OK, REPAIR circuit 687 (GY/YE).
INSPECT fuse 7 (10A), if OK, REPAIR circuit 687 (GY/YE).
INSPECT fuse 8 (15A), if OK, REPAIR circuit 1499 (PK/LG).
INSPECT fuse 9 (5A), if OK, REPAIR circuit 297 (BK/LG).
TEST the system for normal operation.