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Punks385RLS 04-16-2015 09:10 AM

Electrical Issue 2006 National Tradewinds
 
Hi everyone. I was hoping to get some ideas on troubleshooting an electrical issue on my 2006 National Tradewinds. The coach is on a Freightliner XC chassis and powered by a 400 Cummins ISL. When I put the coach in winter storage everything was fine. Mid-winter I went to start it and it would barely crank. I started the generator to give the chassis batteries a charge and then used the battery boost switch to try and start the engine. As soon as I attempted this I completely lost all 12 volt power. The dash warning lights and Freightliner information panel wouldn't even illuminate when the ignition was turned on. It was completely dead. Even the electric steps would not retract. I figured the batteries were completely gone as I assumed they were the original chassis batteries.

Yesterday I installed new chassis batteries and the coach started right up and ran normally. The problem is there are still 12 volt issues that I don't understand. The electric steps won't retract. When I try to retract my Power Gear hydraulic jacks the system will come on and attempt to initialize but then goes dark as if its lost power. I noticed that when this occurs the back-up camera monitor also goes black. I cannot even get the 12-volt house battery disconnect to come on although it had been on prior to my replacing the chassis batteries. I also have no power to the system panel that allows you to toggle between the status of either the house or chassis batteries. The house batteries are on a 100 watt solar system and are fully charged.

I have checked all fuses, all 12-volt circuit breakers as well as wire connections to the fuse boxes and cant find anything wrong. I'm not sure what to do now. Any trouble shooting suggestions would be greatly appreciated.

mel s 04-16-2015 05:16 PM

Quote:

Originally Posted by Punks385RLS (Post 2514257)
Hi everyone. I was hoping to get some ideas on troubleshooting an electrical issue on my 2006 National Tradewinds. The coach is on a Freightliner XC chassis and powered by a 400 Cummins ISL. When I put the coach in winter storage everything was fine. Mid-winter I went to start it and it would barely crank. I started the generator to give the chassis batteries a charge and then used the battery boost switch to try and start the engine. As soon as I attempted this I completely lost all 12 volt power. The dash warning lights and Freightliner information panel wouldn't even illuminate when the ignition was turned on. It was completely dead. Even the electric steps would not retract. I figured the batteries were completely gone as I assumed they were the original chassis batteries.

Yesterday I installed new chassis batteries and the coach started right up and ran normally. The problem is there are still 12 volt issues that I don't understand. The electric steps won't retract. When I try to retract my Power Gear hydraulic jacks the system will come on and attempt to initialize but then goes dark as if its lost power. I noticed that when this occurs the back-up camera monitor also goes black. I cannot even get the 12-volt house battery disconnect to come on although it had been on prior to my replacing the chassis batteries. I also have no power to the system panel that allows you to toggle between the status of either the house or chassis batteries. The house batteries are on a 100 watt solar system and are fully charged.

I have checked all fuses, all 12-volt circuit breakers as well as wire connections to the fuse boxes and cant find anything wrong. I'm not sure what to do now. Any trouble shooting suggestions would be greatly appreciated.

Punks385RLS
I suspect that either your "house battery bank" is NOT fully charged or one or more of your "house batteries" are BAD.
Mel
'96 Safari

ShapeShifter 04-17-2015 09:15 AM

I would double check all of the battery connections, and compare them to the notes/pictures you took before you disconnected anything. You did take notes, didn't you?

Since you say things stopped working as soon as you changed out the batteries, I strongly suspect that you didn't hook something up properly.

Punks385RLS 04-17-2015 12:59 PM

Thanks for the replies guys. I checked my solar charge controller on the house batteries and it indicates 13 volts on the house batteries. They are only a year and a half old Trojans and I check to ensure the water levels are good at all times.

I did take photos of the wiring to the chassis batteries before I replace them and everything was put back accordingly. The engine starts right up and runs fine. If the chassis batteries and house batteries are good what would cause the disconnect solenoid not to function?

mchero 04-17-2015 03:41 PM

I'd check the negative cables on both house & chasis batteries & verify they have a good ground to the frame.


Sounds like connection issues to me.


After all goes black check all connections. Feel them (be careful) for hot connections. When I first aquired the Discovery & found a bad connection on the house battery bank. Sucker was hot enough to sizzle water! Ended up making a couple innerconnect cables.


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