         
1. Determine “F1” (ignition) and “F2” (field). 2. With ignition switch “ON”, you must have power at the “F1” and “F2”. If no power at “F1”, check for wiring problem and blown fusible links or fuses. If “F1” is powered up and no power at “F2”, you have a “BAD” alternator. 3. If you have power at “F1” and “F2”, ground the “F2” and run the engine in idle. If there is no output, the alternator then needs repair. 4. If you have output after grounding the “F2”, it is necessary to ground this wire at the module also to make sure there is no break in this wire from alternator to the module. 5. If grounding the “F2” at the module does not produce the full output, you have a “BAD” alternator. If it does, the module is defective. 6. For more in-detail testing of CCCS, consult proper service manual. The above information, by and large, will direct you toward proper diagnosis. Units Include: 7002 / 7552 / 13307 / 13311 / 13453 / 13301 / 13302 / 13308 13309 / 13312 / 14789 / 13245 / 13280 / 13184 13353 / 13315 / 13310 / 13306 / 13305 / 14869 Source: Mohammad Samii, Sammy’s Auto Electric Service Inc. 
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