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Mercury 90 hp outboard will not start, power is good. We changed

 

Customer Question

Mercury 90 hp outboard will not start, power is good. We changed the starter last season and we think it could be to wires to the throttle box

 

Optional Information:
Make (of engine): Mercury outboard
Model (of engine): Mercury 90 hp 2 stroke elpto
Year: 2006
Horsepower: 90 hp

Already Tried:
moving throttle back and forth

Submitted: 716 days and 23 hours ago.
Category: Boat
Value: $38
Status: CLOSED
Picture
Expert:  Jeremy R. replied 716 days and 23 hours ago.

Hi, and thank you for letting me try and assist you with your problem.

so you turn the key over and you do not get anything?


are the gauges moving or turning on with the key?

post the serial number if you have it handy

Customer replied 716 days and 23 hours ago.

#1B385775
Gauges move, prop lifts, everything else is working

Accepted Answer

Picture
Expert:  Jeremy R. replied 716 days and 22 hours ago.

ok

well it could be..

bad key switch
bad nss switch in the control box
or bad starter
or bad starter relay
or a bad fuse


Ok find the starter solenoid on the motor
find the yellow/red wire on it
now you need to apply 12v positive to where that wires goes to the solenoid
if the starter turns over you either got
bad key switch, wire harness, or neutral safety switch

if it does not turn over, then the starter can be bad

#21 is the starter solenoid
graphic
CLICK HERE FOR THE MANUAL

Expert TypeMarineTechnician
Category: Boat
Pos. Feedback: 97.1 %
Accepts: 4621
Answered: 5/28/2011

Experience: Multiple factory certifications 20+ years of experience.

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