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  #31  
Old 12-02-2019, 04:12 PM
REW REW is offline
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Yellow,
You can measure anything with the right instrumentation.

https://www.amazon.com/UEi-Test-Inst...03394350&psc=1

https://forum.digikey.com/t/measurin...ow-0-1-ohm/352

https://www.grainger.com/product/1BE...g!471548978601!
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  #32  
Old 12-02-2019, 05:52 PM
Yellow Fever Yellow Fever is offline
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Rew ...true, but I do this for a living and I would be amazed if there is any loss on a cable 10 feet long (either a short,grounded side or a short to ground would be my test) that didn't have a defect,
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  #33  
Old 12-03-2019, 05:31 PM
REW REW is offline
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Yellow,
Like you, I worked in the filed of physical properties, electronics and computers for my working life.

I aslo agree that it is not likely that there would be any significant voltage drop in a piece of good 8 gauge wire.

But, I also have seen cases, where the wire had changed and has corroded and has become resistive.

For example, if the wire has black wire corrosion, it could easily have a resistance of 100 ohms or more in the 10 foot length.

So, testing to insure that there is no corrosion and its ensuing resistance is worthwhile.

Also, if there is the slightest chance of this type corrosion, cutting back the insulation on each end of the wires to check for corrosion is not a bad idea.

Take care
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  #34  
Old 12-04-2019, 08:16 PM
Ozark Bob Ozark Bob is online now
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Quote:
Originally Posted by REW View Post
Yellow,
Like you, I worked in the filed of physical properties, electronics and computers for my working life.

I aslo agree that it is not likely that there would be any significant voltage drop in a piece of good 8 gauge wire.

But, I also have seen cases, where the wire had changed and has corroded and has become resistive.

For example, if the wire has black wire corrosion, it could easily have a resistance of 100 ohms or more in the 10 foot length.

So, testing to insure that there is no corrosion and its ensuing resistance is worthwhile.

Also, if there is the slightest chance of this type corrosion, cutting back the insulation on each end of the wires to check for corrosion is not a bad idea.

Take care
Using the proper wire eliminates that situation. Marine Grade wire and connectors(copper&tinned)
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  #35  
Old 12-05-2019, 12:40 AM
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Juls Juls is offline
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Another vote here for new batteries. The Ulterra's use A LOT more juice to operate than the Terrova.

If your batteries are 4 years old, it's probably time to replace them with new ones.

Putting a new TM on the boat and using old batteries isn't a good combination.

I understand why you would want to blame the motor, (so you don't have to buy new batteries at around 1000.00 out of pocket...ouch!), but, if you want that motor to perform the way it is designed to...it needs the power to do it.

There's no question in my mind that your batteries should be replaced with new ones....sorry. I know it's not the answer you want to hear.
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  #36  
Old 12-05-2019, 06:53 AM
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Bobby Winds Bobby Winds is offline
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Simple fix and I'm very surprised REW hasn't mention this already. Replace all old batteries with new AGM batteries from Sam's Club. Then replace the TM with a brand new one of your choice. Problem solved....
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  #37  
Old 12-05-2019, 08:56 AM
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Quote:
Originally Posted by Bobby Winds View Post
Simple fix and I'm very surprised REW hasn't mention this already. Replace all old batteries with new AGM batteries from Sam's Club. Then replace the TM with a brand new one of your choice. Problem solved....
Why would you replace a brand new TM with a brand new TM? Geez...it's in his first sentence.
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  #38  
Old 12-05-2019, 12:40 PM
Tim_Kelly Tim_Kelly is offline
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Quote:
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Why would you replace a brand new TM with a brand new TM? Geez...it's in his first sentence.
Because you have a sense of humour?
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  #39  
Old 12-05-2019, 01:35 PM
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Quote:
Originally Posted by Tim_Kelly View Post
Because you have a sense of humour?
I guess...if you think that's funny.

If I were looking for answers, I doubt insults would be humorous to me.
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  #40  
Old 12-23-2019, 05:40 PM
008wagon 008wagon is offline
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Thanks for the help Iím going to put new batteries in and see what happens
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