25 EFI fuel pump not work

[Sylva-Ranger]

Mercury 4 strokes 25 EFI 2006 S/N 0R146130 manual start

Costumer install New Quantum hi pressure fuel pump not working

Receive 12-15 volts DC from de ECM (pump disconect ) when pull start, but 0 when pump is conected. If i plug the fuel pump on a battery the motor run good.

Is the ECM bad ? is the fuel pump drawn too much Amp and made the ECM cutting the power ?

what tests i can do to find the problem ?

A new OEM fuel pump is 1100,00 $ Canadian and ECM about the same

Sorry for the bad english

Thank you !

 

[alldodge]

Welcome
Don't know much about the motor but the fuel pump is turned on by a relay. The ECM does energize the relay by applying a ground to one side of the relay coil. Check the relay and fuses

 

[Sylva-Ranger]

Welcome
Don't know much about the motor but the fuel pump is turned on by a relay. The ECM does energize the relay by applying a ground to one side of the relay coil. Check the relay and fuses

There no fuses and no relays on this particular manual start motor.

Acording to wiring diagram, the ECM direcly apply power or ground to the fuel pump.

 

[Sylva-Ranger]

Do you think the put can be good for run on a battery but not by the ECM ?

 

[alldodge]

Do you think the put can be good for run on a battery but not by the ECM ?

I have no clue maybe someone else does