mercury 20hp wont start with key

phil1965

Recruit
Joined
Jan 17, 2009
Messages
1
hi i was woondering if anyone could help me ive just put an electric start on my motor and theres no power getting to the starter motor have checked the battery and it is fully charged . i have also just replaced the plate on the bottom of the starter
 

mthieme

Captain
Joined
Oct 6, 2007
Messages
3,270
Re: mercury 20hp wont start with key

Welcome aboard.
Is it safe to assume you had a starting problem before replacing the starter? What was it doing?
At this juncture it would be easy to assume you had some starting problem and replaced the starter needlessly.
Too many times an innocuous question is posted without pertinent history, symptoms, etc.

Generally speaking, wiring connections would be the first thing to go over. Are they clean? Are they tight?
Do you have a multimeter?
 

steelespike

Supreme Mariner
Joined
Apr 26, 2002
Messages
19,069
Re: mercury 20hp wont start with key

There is a neutral safety switch sometimes under the hood sometimes in the remote unit.You might try moving the lever slightly while trying to start.
You could carefully jump directly from battery to starter with jumpers to see if starter is ok.
 
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