Mercury 25 EFI Service Manual page 211

2. Install the black wire connector to the negative (‑) side of the high pressure fuel pump. Install the brown wire connector to
the positive (+) side of the high pressure fuel pump.
a
3. Install the fuel pump wire insulator.
a
4. Push fuel pump into the high pressure fuel pump grommet.
VST Cover Installation
1. Install a new seal onto the VST tank.
90-8M0105568 eng MARCH 2016
a - Brown wire ‑ positive (+)
b - Black wire ‑ negative (‑)
b
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b
a - Brown wire
b - Black wire
c - Fuel pump wire insulator
c
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© 2016 Mercury Marine
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Service Procedures
Page 3C-27