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Mariner 40A 676 40 HP 2 Stroke Outboard

P

Peteinoz

New member
Everything was working fine . Moved the engine from lock to lock and know the key switch doesnt work and the motor wont turn over . Fuse is ok, Gear selector switch is OK any help to fault find wld be helpfull , new battery installed
 
By lock to lock do you mean the motor was turned fully left and right and then it stopped working?

If so, I would suspect the harness that runs from the helm to the motor. Perhaps a broken wire.

With the key held in the start position slowly turn the motor from left to right trying to see if the starter motor engages. Trying to see if a broken wire somewhat connects itself.

Disconnect the engine harness connector at the motor end. On the motor side side main engine harness connector, jumper the red wire terminal to the brown wire terminal. The motor should crank. The motor may also start. If so, then move on to troubleshooting the harness that runs in the boat.

Check for continuity between the red wire terminal and the brown wire terminal. Key will have to be turned to the start position to do this.
 
boscoe said:
By lock to lock do you mean the motor was turned fully left and right and then it stopped working?

If so, I would suspect the harness that runs from the helm to the motor. Perhaps a broken wire.

With the key held in the start position slowly turn the motor from left to right trying to see if the starter motor engages. Trying to see if a broken wire somewhat connects itself.

Disconnect the engine harness connector at the motor end. On the motor side side main engine harness connector, jumper the red wire terminal to the brown wire terminal. The motor should crank. The motor may also start. If so, then move on to troubleshooting the harness that runs in the boat.

Check for continuity between the red wire terminal and the brown wire terminal. Key will have to be turned to the start position to do this.
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