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Old 02-20-2014, 10:58 PM   #1
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1999 tropical Wiring schematic

I'm having issues with power. My fans over the cab and the hydraulic leveling system has no power. I checked the fuses and every thing i could think of. Every thing is working as far as I can tell but those two things.If any one has a wiring diagram or schematic please let me know.
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Old 02-21-2014, 01:47 AM   #2
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Sorry your having problems. The two items your having trouble with should not share a fuse.
If you coach is wired like mine the leveling system should only operate with the ignition key in the "Accessory " and the fans with the key on.
I had trouble with intermittent leveler operation , and finally traced the problem to a corroded in-line fuse holder, located near the pump on the reservoir .
Is your leveling system HWH?
Are you checking the fuses with a test light or a volt meter ? Looks good , isn't the way to check a fuse .
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Old 02-22-2014, 10:22 AM   #3
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I believe your Tropical is a gas rig, before National made it a DP. If it is there is a circuit breaker for the leveling system on the12 volt distribution board. The circuit breaker is in the lower right hand corner on the back side of the front board. Make sure your main disconnect switch is on. Could be a bad switch on the dash for your fans. Attached is the trouble shooting guide for the 12 V board, look for the RV Customs board with an A after the board number.

Attached Files
File Type: pdf National 12V Distribution Center TSG.pdf (469.5 KB, 355 views)
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Old 04-28-2014, 01:02 AM   #4
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So after chasing wires all day i found the ACC power in the fuse block is dead. I checked all fuses but still no power to that part of the fuse box. When I put the plugs to the hot lines I get a green light but no power to the pump. I know the fans and the levying system are not on the same line as the leaving system worked, the fans never did. I an going to check and see if there is an inline fuse but I can not find where the fuse block power supply is for the direct ACC plugs on the fuse block
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Old 04-28-2014, 06:09 AM   #5
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It's been a while since I owned a Tropical. It was my first rig. I did have a problem with the fans not coming on. I traced to the dash. The connector was not seated properly to the switch. All of the wiring was so tight I just had to remove some tie wraps to give it more slack. Two days later I finally grassed in the rig. It bugged me for almost two years. Some I would hit a bump and it worked. As far as you leveling they take a hinge amperage so I would suspect and open. May be a dity connector or a bad ground. Oh BTW, check your grounds too. That was another source of problems loose grounding screws. I accidentally found it when installing a CB radio. Happy troubleshooting!
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