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just passing along
I have a Motor Guide trolling motor that quit working on speed 1 and 3. Took it to Tom at Motor TECH in Suffolk,Va. for repairs. Tom told me what the problem was ,and he was right. The solder joints on the 1 post and the 3 post was different and poorly soldered. It seems this is a commom problem.Maybe Motor Guide needs to hold soldering classes. Saved me a lot of bucks.Thought I would pass it along to everyone......Waiting for cool weather.... crappie1133
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Thank you for the info....should I aquire a motorguide t/m I will certainly check that out before I get on the water and get stranded for sure. most of the lakes here are t/m's only....thank you.
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This solder fatigue is caused by vibration. Vibration fatigue occurs quiet often with solder joints. We performed vibration tests of solder joints when I worked with NASA. I believe GM had a lot of problems due to vibration fatigue on solder joints of their windshield wiper control board. A lot of vehicle recalls are the result of vibration fatigue. Solder joint fatigue causes lots of failures of our marine electronics. Passing this on also.
A porpoising boat is big contributor to solder fatigue.
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So is a slightly bent/nicked prop and it will damage seals. You might not feel it but you can bet your sweet bippy that solder joints and seals can.
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BarnacleBill and Cane pole, Thanks for the input. I never considered this,. Tom showed me the solder joints and they were different from the rest, like two different people did the soldering and he said it had been speed 1 and 3 in the past. Good information though, Something I had never would have thought about. Thanks again guys.......crappie1133