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CMC jack plate quit working #12919288 10/01/18 10:20 PM
Joined: Aug 2012
Posts: 73
J
JohnnyCakes Offline OP
Outdoorsman
OP Offline
Outdoorsman
J
Joined: Aug 2012
Posts: 73
Replaced the jack plate relay but that didnt help. Went and tested the controller on the steering wheel, Both green and blue wires are hot but the red wire has no power when trying to raise or lower the unit. Anybody had this problem? Any ideas on how to fix it? What to test? Thanks!


PB 9-6
Re: CMC jack plate quit working [Re: JohnnyCakes] #12920258 10/02/18 06:59 PM
Joined: Aug 2013
Posts: 4,712
Txmedic033 Offline
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Joined: Aug 2013
Posts: 4,712
First check and replace the 40-amp fuse. The 40-amp fuse is located on the red wire that comes from the relay harness and is connected to either the (+) battery post or the main power switch. Depending on the year your jack plate was made the fuse holder cover will be either blue or black. For best results, replace the fuse even if it does not look blown.

If your jack plate still wont run, jump the power cord directly to 12V battery.

Follow the black power cord coming out of the units motor to the disconnect point. Disconnect the blue and green wires from the relay harness. Now the green and blue wires can be directly jumped to a 12V battery by touching the green wire to the positive post of the battery and the blue wire to the negative post of the battery at the same time. Reversing this connection will run the unit in the opposite direction.

If the jack plate still wont run after youve replaced the fuse and tried jumping the power cord, it is likely that the actuator needs to be replaced.

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