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Old 11-07-2014, 11:15 AM   #11
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Mine had high resistance at the factory 4 way scotch connectors. Removed the scotch connectors, soldered and heat shrink the connections and now the brakes work good.

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Old 11-07-2014, 11:16 AM   #12
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Mine had high resistance at the factory 4 way scotch connectors. Removed the scotch connectors, soldered and heat shrink the connections and now the brakes work good.

09grizzly1
Good plan!

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Old 11-07-2014, 02:00 PM   #13
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I still don't know what scotch connectors are. Can you explain?
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Old 11-07-2014, 02:01 PM   #14
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Just saw what scotch connecters are thanks!
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Old 11-07-2014, 02:04 PM   #15
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On my brakes they used wire nuts. Guess I better take each on apart and check the connection. What about a bad ground, where would I look for that? Any other ideas?
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Old 11-08-2014, 12:20 PM   #16
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On my trailer the brake wiring is grounded to the frame near the 7 pin plug cord junction box. The junction box on my trailer is located inside the frame at the left front corner-there is a removable cover on the underbelly cover to access the box.

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Old 11-09-2014, 12:36 PM   #17
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Does anybody know where the brakes are grounded on a Columbus 320RS 2013?
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Old 11-09-2014, 12:42 PM   #18
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To the frame.
Not sure where tho.

Probably near the pin box and or the battery.

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Old 04-21-2015, 04:32 PM   #19
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Had a similar problem and found the problem was in the Scott connectors. Replaced and now much better. Soldering is the best way but makes more difficult to service. You can also pull break away and check voltage. That can tell you if the problem is from the truck or not.


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Old 04-21-2015, 04:46 PM   #20
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After living with recurring brake problems on my Columbus 320 I finally changed out the brakes and put new seals, brakes, magnets and packed wheel bearings. Still not satisfiyed with the brakes and after checking the voltage to the brakes, it reads 10.2 volts. I thought someone said it should be 12.2 volts. If so, what and where do I look next? Brakes just don't seem to be applying hard enough when stopping.
"totally frustrated"
if you change shoes and magnets and run against the the "used" armature and drum surfaces, it will take a while for those surfaces to scrub in. whats it do with the breakaway pin pulled?
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