diy solar

diy solar

Jayco Solar Ready Wiring Question - What do these wires go to? - Picture!

zipsonic

New Member
Joined
Aug 10, 2020
Messages
22
Hello, DIY Sleuths and Experts!

I have a 2021 Jayco Alante that has Solar Ready Wiring from the roof to the battery bay. There is nothing in the literature that came with my RV that explains this wiring. There was a junction box mounted to the inside of the bay marked "SOLAR PREP" that has six wires inside. The outside of the junction box says Red Positive, White Negative. So the two wires on the left are the wires that go from the panels to the SCC. There are two other sets of Positive and Negative wires. My belief is that one of those sets goes to the battery and the other set goes somewhere to the DC Junction under the bed. Without taking everything apart, I'm hoping that someone knows exactly what these wires go to. Any help is appreciated!

IMG_20200820_163108.jpg
 
No experience with it.

It's possible that both go to the battery/SCC connection. If they already have battery voltage, then you'll know for sure.
 
My meter is only reading 2v across the connection (momentary). My guess is that there is a breaker somewhere. More investigation to do!
 
2X 8awg would be the equivalent of 5awg for about 80A to the 12V battery/ies. Sounds about right for an 800-1000W system.
 
There are no markings on the wires. I took it out of the sleeve about 18" looking for markings.
 
There was a gopower solar brochure and a PWM panel sticker in the pack. I read somewhere that it's common to have the panel sticker somewhere in the coach because that's where the wires are for the solar, but since the panel sticker wasn't put on and panel wires ran to the Bay, it doesn't apply to this installation.

I've sent a request to Jayco. Hopefully they can be of some help.
 
In this circumstance, it's a roof preparation. It's a dual MC4 connection (1 Male & 1 Female) gland on the roof. There are no Zamp or Gopower ports on the side.
 
I thought I had indicated in the original post that there was 1 roof connection. You had asked if there were 3. Sorry for the confusion. Yes. 1 roof entry point.
 
Back
Top