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09-11-2022, 06:16 PM | #1 |
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Join Date: Sep 2016
Location: Redington Beach
Posts: 1,317
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wiring question - non auto specifc
Have a 12v motor. Specifically a trolling motor. It has three wires power/ground and a 3rd wire for 1/2 speed or full speed (assume).
Problem I have is that all the wires are same color. And I am extending the harness. All OHM out as connected on circuit together. Im assuming in this scenario it makes no real difference as to wiring in terms of damaging motor ? 1 wire will be +ve 1 wire will be -ve 1 wire will be for 1st speed (1/3rd voltage). - blue Full speed is the direct 12v . slow speed is the otehr wire with only 4v. So guessing ? The only thing that can go wrong by applying wires and testing is if the motor goes in reverse ? eg -ve and +ve wires reversed etc ? Or that slow speed would be full speed etc ...... IF thats not the case ...... how do I dentify which wire belongs to what circuit ...... I tried supplying a singal 12v to 1 wire - but they all end up reading 12v .... which makese sense since all 3 are on teh same circuit per the fact they all OHM out the same. thoughts ?
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09-12-2022, 10:26 PM | #2 |
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Join Date: Dec 1999
Location: Southern California
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Re: wiring question - non auto specifc
Would think that if you end up connecting the two different speed wires to +12v and -12v that would be a direct short. Seems odd that at least one wire does not have a stripe or ribs on it to designate the ground. What is the brand of the motor?
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09-12-2022, 10:56 PM | #3 |
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Join Date: Dec 2017
Location: Elkhart, Texas
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Re: wiring question - non auto specifc
My son-in-law is a boat mechanic. I've sent him a link to this thread. Maybe he'll know the solution and post it for you..
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10-01-2022, 05:34 PM | #4 |
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Join Date: Sep 2016
Location: Redington Beach
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Re: wiring question - non auto specifc
thanks guys sorry missed the updates here ^^^
I ended up just stripping her down to find the correct wires and then rewiring/sheathing the whole unit ..... was just trying to avoid at first. appreciate it
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