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Electronic Control Module
- 100 HP
  - Automatic Transmission
    - California
      - AWD
      - FWD
    - Federal
  - Manual Transmission
    - California
    - Federal
- 98 HP
  - Automatic Transmission
    - California
    - Federal
  - Manual Transmission
    - California
    - Federal
Ignition Control

Engine Computer for 1991 Mercury Topaz

Fits: Electronic Control Module 100 HP Automatic Transmission California FWD (change)

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