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Trailer Wiring for HardKorr DC to DC Charger

andrew.roberts

Grenadier Owner
Local time
7:25 PM
Joined
Apr 11, 2023
Messages
6
Location
Sydney
Team, I just invested in a camper trailer. It comes with an onboard HardKorr DC to DC charger, but it requires a 3-wire Anderson plug to charge the onboard batteries. I wanted to use the NATO plug, but this looks all too hard (I have a NATO to 2-wire Anderson Adaptor), as I understand it will cut out when travelling.

So I need to install a wiring kit like this https://kickassproducts.com.au/products/kickass-premium-plug-play-dcdc-wiring-kit. I was going to wire the positive to the spare fused 60 amp busbar, and the negative to the nearest grounded earth.

So a few questions :

A) Is this the best option ?
B) Where can i pick up the ignition wire from ?
C) Is there a good wiring path to the rear
Just looking for some hints and tips :-)

Thank you all in advance

Andy
 
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Andy

I just installed the same cable into my 2 seater. Attached to the aux battery to use with a Battery Box inside the car.

A) Using the busbar is a sensible option. I used the MIDI fuse that came with the KA wiring kit as I used the busbar for my twin compressor, increasing the fuse to 80 amps. I just used the negative battery terminal as the earth.
B) I am using the ignition source from the 40 amp wire ends in the battery box (under seat in 5 seater models). See Table below, last row. I only used this circuit for the ignition source, not power.
C) Down the driver's side following a similar path to the NATO power cable.

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my24-station-wagon-hlsp-jpg.7885069
 
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