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Old 08-18-2022, 09:59 AM   #1
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1990 Northland Camper Wiring Diagram

I recently picked up a '90 8ft. Northland and somewhere in the past some shenanigans transpired and they cut the 7 wire harness that goes to the truck and put a flat 4 on it. I'm trying to sort out what each wire is supposed to go to on a new 7 wire pigtail.
Any help would be great.
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Old 08-18-2022, 10:10 AM   #2
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The original harness should be color coded just like for a trailer. Once you have the camper 7-wire the length it should be just wire the plug on the end, and plug it into your p/u.
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Old 08-18-2022, 10:27 AM   #3
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Camper wiring , that I've dealt with was only 5 or 6 wires .
Depending on the rear lighting of the camper .

1 Running lights
2 Left signal / brake light
3 Right signal / brake light
4 Ground
This is probably how you camper is currently wired
Additional wires
5 Back up lights
6 Battery power or charge wire ; depending on the battery location ; in the camper or mounted in the truck .
Note: Battery charge wire and ground are most often heavier gauge than lighting wires .

A seventh wire in a standard Bargman connector on a truck is for trailer brake activation .
So if your camper has 7 wires ; I'm not sure what the manufacturer was using that seventh wire for .
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Old 08-18-2022, 10:36 AM   #4
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Yes, should only have 6 wires as no brake, but the code should be the same.
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camper, wiring, wiring diagram

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