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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3314
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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Terrova 55 does not power on when deployed. Displays full

Customer Question

Terrova 55 does not power on when deployed. Displays full battery power.
Submitted: 4 months ago.
Category: Boat
Expert:  Charles replied 4 months ago.

Hello, my name is***** will assist you.

What year is your motor?

Customer: replied 4 months ago.
Expert:  Charles replied 4 months ago.

Got it, does the motor steer at all,or is it just totally dead?

Customer: replied 4 months ago.
Totally dead. System ready light does not come on.
Expert:  Charles replied 4 months ago.

Ok, can you remove the center cap to expose the main control board?

Customer: replied 4 months ago.
Not at this time. What should I be looking for?
Expert:  Charles replied 4 months ago.

What we are going to need to do is to inspect the reed switch on the motor. This activates the system ready light.

The cover to the right side of the mounting bracket will need to be removed. Then near the front, you will see a small hole in the bracket with a reed switch sticking in it. When the motor is stowed the magnet is near the switch and closes it. When deployed, the magnet is away from the switch, this would allow the power light to come on.

If you have either the co-pilot or an auto-pilot installed on the motor, those should be disconnected first to see if the motor will then work, if it does, that component is bad. If not, and everything in in place the main board is the bad part.

Expert:  Charles replied 4 months ago.

All of this is dependent on the battery being properly connected to the wires.

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