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Old 07-30-2021, 01:31 PM   #1
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2004 Tropical Electrical help needed

Hi All,

I have a 2004 National Tropical and have an electrical issue. A bunch of circuits are dead (mirrors, windshield wipers, back up cam, electric seats, jack levelers).

I traced them all to the box outside of the drivers seat. There are 2 fuse blocks with the non working components, and they are both wired into a solenoid. The coil has power but the live wire going into the solenoid is dead. Does it do directly to the battery?

It's almost impossible to trace it back, but it probably ends up in the Inverter area. All fuses are good, and I'd like to check the buss'. Does anybody have a diagram so I can pull the correct one?

Any suggestions are welcome.


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Old 07-31-2021, 09:08 AM   #2
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Posts: 35
Here is a thread with a Tropi-Cal wire diagram, but not sure it's what your looking for.

Not exactly for Tropi-Cal specifically, but could be good for overall general National RV's. On posts 12 and 14.
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Old 08-05-2021, 01:45 PM   #3
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Location: Sun City, AZ
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Had a similar problem on my 2009 Pacifica. I located three circuit breakers in the battery compartment on the passenger's side near the rear of the coach. Strange looking breakers. The one that was causing me problems was located at the bottom front of the compartment, near the center of the opening.
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Old 08-09-2021, 01:58 PM   #4
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Thanks for your input. I disconnected all of the positive terminals to the chassis batteries, cleaned them up and that solved the voltage to the solenoid. Unfortunately, I have a voltage drop from either the "Neutral" gear switch or "parking Break Engaged" circuits. I get 12.7 volts at the fuse box, but it's dropping to 9.5 volts on the controller.

I am able to bypass with a home made harness (3 positive, 1 ground) and jumper cable, so the control panel turns on and the jacks work. Why the heck am I loosing 3 volts within about 4 feet of wire

Thanks again.

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Old 08-09-2021, 03:30 PM   #5
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You have a short some were in that circuit .
Ray & Melinda
2005 National Dolphin 5355 (MEPAW) , Koni FDS shocks, Safe-T-Plus , Rear track bar , Sumo springs . She tows a 2006 Tacoma 4X4
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electric, electrical

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