Generator On-Vehicle Tests
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
To prevent damage to the generator, do not make the jumper wire connections except as directed.
CAUTION:
Do not allow any metal object to come in contact with the housing and the internal diode cooling fins with the key ON or OFF. A short circuit may result and burn out the diodes.
NOTE:
Battery posts and cable clamps must be clean and tight for accurate meter indications.
NOTE:
Refer to the tester manual for complete directions for testing the charging system.
- Turn off all lamps and electrical components.
- Place the transmission in NEUTRAL and apply the parking brake.
- Carry out the following generator tests: