Mercury MerCruiser Service Manual page 390

MPI ECT Fuel System
24. Pull on the wire harness to seat the seal grommet into the upper housing. A gentle push on the seal grommet on the inside
of the housing with a blunt tool will ensure it is properly seated.
Tube Ref No.
2-4-C with PTFE
95
25. Connect the red wire from the upper housing to the positive terminal on the fuel lift pump.
26. Connect the black wire from the upper housing to the negative terminal on the fuel lift pump.
27. Connect the high‑pressure fuel pump black wire to the terminal on the fuel lift pump.
28. Lubricate all the visible O‑rings and seal grommets with 2‑4‑C with PTFE.
Tube Ref No.
2-4-C with PTFE
95
Page 5A-20
a
b
Description
a
b
Description
© 2016 Mercury Marine
a - Upper housing O‑ring
b - Blue O‑ring
c - Second O‑ring on seal grommet
c
49231
Where Used
O-rings
a - Black wires
b - Red wires
49234
Where Used
O-rings and seal grommets
90-8M0099748 eng DECEMBER 2015
Part No.
92-802859A 1
Part No.
92-802859A 1