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Old 08-12-2016, 04:04 PM   #1
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Replacing a 4 pin trailer harness with a 7 blade and installing a power lift



The power jack was a gift from a friend who works at a local RV Dealer. Watch the series of the repair and installation. This jack is a bit slow and i may just end up using the manual lift. I did want the power from the truck so that i could charge the battery when traveling.

Part 3

Reese Towpower 74127 Plastic 7-Way Flat Blade Trailer End Connector

FIC-3500-2 Electric Trailer a-frame jack
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Old 08-12-2016, 09:41 PM   #2
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Nice,
If it's slow like the motor dragging. It might perform better with a heavier gauge wire from the house battery to the jack. Then let the TV charge the battery while driving or on SP. Those wiring harnesses are pretty light gauge.

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Old 08-12-2016, 10:32 PM   #3
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Good Advise.. I was most interested in bringing power to the boat while charging battery and driving.. My friend brought the power lift over...seemed like a good fit. thanks for watching
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Old 08-13-2016, 09:51 AM   #4
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12 volt devices that Work need lots of amps.. and heavy wire is key for proper operation...


when I installed my power jack... I used an old style Ford starter solenoid... and a rocker switch. mounded same under the propane cover and fuse is inside battery box..
or run a dedicated power wire from truck battery to rear bumper.. with fuse.


do not use 30 amp headlight relay.. not UP to the job.
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