Switching 12v to dual six volts - Page 3 - Escape Trailer Owners Community

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Old 03-12-2015, 06:47 PM   #21
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#10 ground. I don't understand electricity, but that's what I was told by Reace. Guy who wired my RAV had to buy #10 wire ( charged me $25 extra ) because he normally uses #12.
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Old 03-12-2015, 07:57 PM   #22
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Electrical current flows in a closed circuit. It doesn't matter whether the wire is between the battery positive and the stuff being powered, or between that stuff and the battery negative, the current has to go through both of them, so resistance anywhere reduces the current flow for a given driving voltage.

The ground is an even bigger problem than the positive side of the circuit, because the current flowing in all circuits (the tail lights, the brakes, the "battery charge" which might be running a refrigerator...) all collects together and runs through that ground wire. In the seven wires connecting the tug to the trailer, the ground should be larger gauge than any of the others, or at very least as large as any of them.

For instance, this cable
Multi Gauge 7 Seven wire RV Camper Trailer Cable Cord Plug Conductor Cable
is probably intended for RVs, and has 14-ga for the lighting circuits, 12-ga for the brakes, 10-ga for the battery charge, and 10-ga to carry it all back on the ground connection.

This cable
Trailer Cable 7 Conductor 12/6-10/1 GA PVC Black Jacket
is probably intended for commercial trucks (using the 7-round-pin connector, not the RV-style connector) and has 12-ga for the lighting and auxiliary circuits, and again 10-ga for the ground shared by all of them. (Neither electric brakes nor battery charge are normally done via this type of connection.)

Here's one in which the thickest conductor is 8-ga... nice:
7 Wire Trailer Cable 4-12ga, 2-10ga. 1-8ga. By the Foot
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Old 03-12-2015, 08:00 PM   #23
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Thanks Brian. Even I understood that.
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Old 03-12-2015, 08:03 PM   #24
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So, if I'm understanding all this correctly, the trailer connector to the tow vehicle needs a 10 gauge ground wire, presumably to match the 10 gauge installed (hopefully) in the OEM tow wiring package? Wouldn't ETI be certain the trailer wiring harness had a 10 gauge ground wire when you order the 3-way fridge?
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Old 03-13-2015, 11:01 PM   #25
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Quote:
Originally Posted by cpaharley2008 View Post
Nope, a retired government law officer. But I did sleep in a Holiday Inn Express awhile ago......

Love it
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Old 04-25-2015, 10:18 PM   #26
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Question Batter check?

Quote:
Originally Posted by cpaharley2008 View Post
Well it finally warmed up to where I can start doing some modifications. Today I pull out my group 29 battery and installed dual 6 volt batteries. These were purchased at Sam's Club, $84/each, total a/h capacity has been increase from 126 to 215 or useable from 50 to 90, not quite doubling my reserve capacity. I'm also going to add another solar panel since my unit came with the 95 watt solar. Need to wait until it gets warmer to attach to the roof.
I had ordered the extra capacity group 29 with the trailer and because of it's size Escape installed the larger battery box and longer cables. The dual six volts fit perfectly. I removed the dinette seat and the old battery. First you have to remove the 2x4 wood inside the box, slide the battery over and unscrew the box from the floor. This allows you to lift the battery right out.
I installed the dual sixers in series as well as the new Zamp Battery Check which attaches to the negative terminal. Batterycheck - Wireless RV & Marine Battery Management.
There is an APP you download to your iPhone/Ipad for diagnostics. Total time 2 hours.
Any feedback on the Batterycheck from your trip to Townsend?
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Old 04-26-2015, 07:07 AM   #27
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Yes, it works fine and gives me all the info I need, however it's bluetooth range is only within the trailer, I was hoping to get the info while in the tow vehicle driving. Too far away for the bluetooth to pick up. Other than that I like it better than the Trimetic set up which involves running wires and cutting holes.
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Old 04-26-2015, 08:05 AM   #28
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Thanks. Let us know more after Osoyoos.
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Old 04-26-2015, 04:34 PM   #29
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Planning on converting to the dual six volt batteries as well. Aside from 2 batteries, 2 new battery boxes, heavier wiring, possibly upgrading to a Batterycheck, etc. Is there anything else I should be upgrading or replacing i.e. chargers, inverters, etc.?
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Old 04-26-2015, 04:40 PM   #30
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Best talk to ETI about this. I believe there are modifications to the frame, which is why they needed to know from the start if you wanted dual 6V. My understanding is that to make the change after the fact is extremely costly.
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