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Electronic Control Module
- 6 Cyl, 250 cid (4.1L)
- 8 Cyl, 305 cid (5.0L)
  - (under Driver Side seat)
- 8 Cyl, 350 cid (5.7L)
  - (under Driver Side seat)

Engine Computer for 1984 GMC G1500

Fits: Electronic Control Module 6 Cyl, 250 cid 4.1L (change)

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