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Old 04-29-2013, 08:58 AM   #1
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National RV Owners Club
Join Date: Nov 2010
Posts: 13
12V Power Distribution Center

I need help finding a replacement or repair source for the "RV Custom Products" 12V Power Distribution Center in my 99 Tradewinds.
Thanks, Vern

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Old 04-29-2013, 09:16 AM   #2
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Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 18,336
Any part numbers on the center , if you can't find a P/N maybe post a picture, more people may be able to tell you if their coaches use the same part.

99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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Old 04-29-2013, 10:22 AM   #3
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Freightliner Owners Club
Join Date: Mar 2011
Location: FT for 6 years, NW in the summer, S in winter.
Posts: 1,149
Maybe this will help.....

Thought I would pass on what I found in troubleshooting the 12V Power Distribution Center on my '04 National Dolphin 5320. Mine uses the board #129757.

- Coach batteries not being charged by alternator.
- Chassis battery not being charged by house battery charger.
- Can't hear soleniod operating

- Confirmed F32 3A fuse was good, replacing fuse operated the Interconnect Solenoid (loud clunk). Therefore solenoid was activated already but not passing current between batteries.
- Confirmed there was battery voltage on solenoid small terminals.
- Measured across the solenoid large terminals - 1.3V drop across contacts; this should be near 0 Volts.
- Tapped the solenoid case sharply and measured again, now .2 Volt drop.
- Confirmed chassis battery is now being charged by battery charger.

Contacts inside solenoid are bad. Replace with Napa ECH ST85 or equivalent CONTINUOUS DUTY solenoid. (disconnect house and chassis batteries before attempting this)

It isn't always the control board.
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When you get a chance to dance, or sit this one out......I hope you DANCE!

98 National Tradewinds 7370, powered by a 3126B 300HP CAT Turbo, Freightliner XC chassis
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Old 04-29-2013, 11:16 AM   #4
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Ford Super Duty Owner
Join Date: May 2007
Location: El Cajon CA
Posts: 1,833
R V Custom Products Inc
14000 Anson Avenue
Santa Fe Springs, CA 90670-5202

Phone:(562) 921-8353 |
2007 Sea Breeze LX 8321 Ford Chassis
2004 Ford Ranger Edge
El Cajon CA.
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