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MERCURY
- Ignition Control
  - California
  - Federal
MONARCH
- Ignition Control
  - California
  - Federal

Engine Computer for 1977 Mercury Monarch

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There are 4 choices for the 1977 Mercury Monarch Engine Computer !!!
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MERCURY Ignition Control California
MERCURY Ignition Control Federal
MONARCH Ignition Control California
MONARCH Ignition Control Federal

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