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Old 06-16-2018, 08:26 PM   #1
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National Tradewind dash wiring

Good day, iRv2 members.
I am new bee to RVing.
The 'new to me' 2003 national Tradewind LE on Spartan chassis has experienced several iterations of in-dash stereo and auxiliary switch DIY.
How may I acquire the wiring schematics for stereo/tv, auxiliary 1, auxiliary 2, and particularly Overhead Fans (3way) so that I can put correct wires on the correct switch spades. Many pink, couple of red, white/green stripe and so much more.

Objective 2 is to learn reset proc for enunciator panel. I doubt my portable OBD2 Bluetooth tool is appropriate for cat 330 turbo.
Thanks in advance

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Old 06-16-2018, 09:50 PM   #2
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Since National is out of business and some of what you are asking for wasn't installed by Spartan, I think you'll just have to trace the wiring yourself. Some manufacturers use wiring looms that have numbers of function printed on the insulation, I know my Gulf Stream has all white insulated wiring with their function printed on it.

If you have an equivalent to an OBDII plug, it's likely to be round plug, not the standard OBDII trapezoid shaped plug. Adaptors are available if you find the round plug type.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 06-16-2018, 10:02 PM   #3
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Diesel engines don't use OBD readouts. You need a Silverleaf VMSpc or VMS or other compatible unit to read the codes.
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
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Old 06-17-2018, 05:08 AM   #4
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Let me just say Welcome to the forum. Sorry I can't help with the questions but as you see lots of good folks with good info to share. Good luck on the project and enjoy the adventure.
2018 Tiffin Allegro RED 37PA
2016 Veloster Toad
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Old 06-17-2018, 08:39 AM   #5
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Glad to have you here in the forum with us. You're gonna like it here.

Happy Trails!!!
Tony & Ruth........... FMCA#F416727
Newmar Dutch Star 4320, Spartan MM Chassis, Cat C9, 2018 Jeep Wrangler Unlimited, Blue Ox Aventa LX, and AF1. TST 507 TPMS
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Old 06-17-2018, 09:52 AM   #6
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Congrats on the new rig! I'm not familiar with your rig so can't help with the questions. Keep her between the ditches!

Good luck, happy trails, and God bless!

Joe & Annette

2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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dash, national, wiring

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