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Electronic Control Module
- (behind Passenger Side kick panel)
  - 6 Cyl, 232 cid (3.8L)
    - low emissions
      - Automatic Transmission
        (ID 4R3A-12A650-LC)
      - Manual Transmission
        (ID 4R3A-12A650-NC)
    - standard emissions
      - Automatic Transmission
        (ID 4R3A-12A650-KC)
      - Manual Transmission
        (ID 4R3A-12A650-MC)
  - 6 Cyl, 238 cid (3.9L)
    - low emissions
      - Automatic Transmission
        (ID 4R3A-12A650-AEA)
      - Manual Transmission
        (ID 4R3A-12A650-AFA)
    - standard emissions
      - Automatic Transmission
        (ID 4R3A-12A650-ACA)
      - Manual Transmission
        (ID 4R3A-12A650-ADA)
  - 8 Cyl, 281 cid (4.6L)
    - DOHC
      - Cobra (Manual Transmission)
        (ID 4R3A-12A650-AAB)
      - Mach 1
        Automatic Transmission
        (ID 4R3A-12A650-SC)
        Manual Transmission
        (ID 4R3A-12A650-TC)
    - SOHC (GT)
      - Automatic Transmission
        (ID 4R3A-12A650-PC)
      - Manual Transmission
        (ID 4R3A-12A650-RC)
Power Module
- 6 cylinder
  - 3.8L
  - 3.9L
- 8 cylinder (4.6L)

Engine Computer for 2004 Ford Mustang

Fits: Electronic Control Module behind Passenger Side kick panel 6 Cyl, 238 cid 3.9L standard emissions Automatic Transmission ID 4R3A-12A650-ACA (change)

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