1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 258Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 258

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FUEL INJECTION SYSTEM DESCRIPTIONOPERATION
The provision for communicating with the ECM is the Data Link Connector (DLC) connectorIt is part of the EFI engine wiring harness, and is 10-pin conne