12v system not working, R-POD 180

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   It really gives you a sense of accomplishment when things go right.  Have fun on your trip because you earned it.

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JR Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 31 Aug 2018 Location: Manistee, MI Online Status: Offline Posts: 344	Topic: 12v system not working, R-POD 180 Posted: 20 May 2021 at 3:54pm
	It really gives you a sense of accomplishment when things go right. Have fun on your trip because you earned it.
	Jay 179/2019

campman Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 26 Mar 2021 Location: La Salle, MB Online Status: Offline Posts: 209	Posted: 20 May 2021 at 2:38pm
	Way to go flgbanjo, so glad that you found it and you are good to go for the weekend! Andy
	Andy and Laurie '16 F150 5.0 4X4 w/factory tow pkg '21 RP192 "If the women don't find you handsome...at least let them find you handy!" Red-Green

offgrid Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 23 Jul 2018 Online Status: Offline Posts: 5290	Posted: 20 May 2021 at 2:00pm
	Glad you got it fixed for your trip!
	1994 Chinook Concourse 1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold

flgbanjo Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 24 Mar 2017 Online Status: Offline Posts: 10	Posted: 20 May 2021 at 12:56pm
	SOLVED! Thank you everyone for your comments, questions, and support! Turns out it was a flakey shut off switch at the battery I had installed. It tested ok for continuity a couple of days ago so I eliminated it as a potential issue. Turns out that was a bad idea. Tested again today and no continuity. So I bypassed the cut off and went direct to the battery and voila! And yes, I should have done that at the beginning! So, lesson learned, always go to the battery first and then backtrack from there. Packing the trailer up for a long weekend of camping! This forum rocks and you people are phenomenal!

campman Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 26 Mar 2021 Location: La Salle, MB Online Status: Offline Posts: 209	Posted: 20 May 2021 at 10:54am
	Reread OG's post and suggest going a bit further than just disconnecting the solar charge wires. I suggest disconnecting all wires from your battery. Test the battery, only SECURELY reconnect the wires leading to your power distribution panel. Test your system...you get the idea. Simplify the system you are troubleshooting. Andy
	Andy and Laurie '16 F150 5.0 4X4 w/factory tow pkg '21 RP192 "If the women don't find you handsome...at least let them find you handy!" Red-Green

campman Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 26 Mar 2021 Location: La Salle, MB Online Status: Offline Posts: 209	Posted: 20 May 2021 at 10:45am
	I am still thinking you may have a good (not) ground situation going on, that would be right at or close to the battery itself. With a bad ground nothing works right. Watching and pulling for your successful conclusion to this, and still thinking about alternate causes. Keep us updated with your findings.
	Andy and Laurie '16 F150 5.0 4X4 w/factory tow pkg '21 RP192 "If the women don't find you handsome...at least let them find you handy!" Red-Green

flgbanjo Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 24 Mar 2017 Online Status: Offline Posts: 10	Posted: 20 May 2021 at 10:29am
	That’s one of the reasons I’m so confused, the solar port lines go direct so I should get voltage on the port. I have in the past just fine. Working on it today!

offgrid Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 23 Jul 2018 Online Status: Offline Posts: 5290	Posted: 20 May 2021 at 6:50am
	There isn't a diode in the line to the solar port from the battery, and you don't need one. Those wires run straight to the batteru. The solar charge controller will take care of any potential reverse current flow at night. So something is wrong on that line too. If you're not using solar just leave those two wires disconnected at the battery for now while you focus on getting 12v back operating the trailer.
	1994 Chinook Concourse 1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold

campman Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 26 Mar 2021 Location: La Salle, MB Online Status: Offline Posts: 209	Posted: 19 May 2021 at 8:07pm
	You metered the solar plug in the outside wall where you would plug in a solar panel...I would think that you shouldn't get an electrical reading there...I believe there would be a diode (amongst other electrical controls) in the line to the battery at a minimum to prevent the batteries from reversing the flow and feeding power to the solar panel. It makes sense there is no power indication at the solar plug if I did understand you correctly. 12.88 volts is what I would consider a fully charged battery, which is 12.9 volts...Again, this only indicates volts, and is not a load test. We can't load test it by using electrical items on your trailer right now. Question, is there 12v from the battery reaching your circuit breaker/fuse box. The search for where the 12 volt electricity from the battery is being interrupted continues. Maybe you have a bad ground issue where your battery is grounded? A bad battery ground might cause this? Throwing darts on this thought, sorry.
	Andy and Laurie '16 F150 5.0 4X4 w/factory tow pkg '21 RP192 "If the women don't find you handsome...at least let them find you handy!" Red-Green

flgbanjo Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 24 Mar 2017 Online Status: Offline Posts: 10	Posted: 19 May 2021 at 7:24pm
	Haven’t load tested them. What’s interesting is if I test at the batteries I see 12.88v, but if I test at the solar plug in on the side which theoretically goes doorway to the batteries I get 0.38, so something is wrong. Having it plugged int to shore power for four hours and unplugging didn’t make a difference, no 12v power after unplugging shore.