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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)
- 8 Cyl, 379 cid (6.2L, diesel)
Electronic Spark Control
- (8 Cyl, 305 cid, 5.0L)
  - Automatic Transmission
  - Manual Transmission

Engine Computer for 1984 GMC G35/G3500 VAN

Fits: Electronic Spark Control 8 Cyl, 305 cid, 5.0L Automatic Transmission (change)

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