1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 239Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 239

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INSTRUMENTATION
TESTING
1 Connect an ohmmeter between temperature sender terminal (+) and hex for ground () as shown72768

aOhmmeter LeadsWater Temperature Sender 2 With ohmmet