On-Vehicle Testing: Notes
NOTE:
Alternators on "E" and "K" bodies are controlled by Powertrain Control Module (PCM) or Instrument Panel Cluster (IPC). For system and related trouble code diagnosis, see appropriate ALTERNATOR article in this section. Refer to the following list.
- Concours, Eldorado, & Seville, see: ALTERNATOR - 4.6L
- DeVille 4.6L, see: ALTERNATOR - 4.6L
- DeVille 4.9L, see: ALTERNATOR - 4.9L
NOTE:
Only CS144 alternators without auxiliary phase terminals are repairable. CS121 and CS130 alternators are serviced as a complete assembly.