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Old 08-11-2016, 04:36 PM   #1
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2000 National Tradewinds 7373 Turn Signal

I have 2000 National Tradewinds 7373 that the Turn Signal and 4 way flashers have quit working on. I have checked fuses as best I could in panel by drivers seat. I have not located a turn signal flasher. If anyone knows where the flasher is or any other help would be appreciated.
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Old 08-11-2016, 05:47 PM   #2
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Welcome to iRV2.

It would be odd to loose both systems at the same time, as they have separate fuses and flashers .
Have you checked that the brake lights are operating ?
If you have no brake lights , then the multiple connector for the switch wiring at the base of the steering column , would be a place to check , as sometimes they can get kicked apart.
Is your National , on a Freightliner chassis?
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Old 08-11-2016, 06:32 PM   #3
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Thanks for the reply. It is a Freightliner Chassis. Brake lights do work.
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Old 08-11-2016, 06:49 PM   #4
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I'm involved in another post with an owner of a 99 Tradewinds on F/L and was surprised by the differences in the way the coaches are wired , his fuse box looks nothing like mine.
His flasher was mounted in the bottom corner of the under dash fuse box and mine are hanging between the two fuse/relay boxes on the outside of the firewall above the gen set ; and the boxes are nothing alike.
I'll dig up photos of my location and link you to his post. BRB.
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Old 08-11-2016, 07:00 PM   #5
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Ok the other post , shows an under dash fuse box with a flasher in one corner.

Electrical 1999 Tradewinds

Photo , yellow circle , both flashers side by side between my fuse and relay boxes , the numbers on the boxes are the last of my serial number , so I'm thinking F/L must custom build wiring harnesses.
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Old 08-11-2016, 08:37 PM   #6
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Where is the fuse panel with the flashers located?
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Old 08-11-2016, 09:06 PM   #7
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Quote:
Originally Posted by howbowthat View Post
Where is the fuse panel with the flashers located?
That photo on my Newmar , is taken with the hood open , the boxes are on the outside of the firewall below the windshield, above the gen set.

HOWEVER , the boxes are attached to the main wiring harness by about 5 feet of wiring so coach manufacturers could mount them anywhere within 5 feet of that location , or the end of the drivers side frame rail , where the wires exit the main harness.
There can be a multitude of differences between coach builders , and as I've found out , between F/L chassis , built in the same year.

Sounds like a phone call to the Freightliner free help line is in order ; have your serial number handy. Ask them to send you , wiring diagrams and schematics for your chassis. The diagrams will show the dimensions of the wiring harness , in metric ( cms) and the length of all side harnesses attached , once you locate a known part of the harness ( connection between frame and dash harness is easiest, finding other items is fairly easy.
Also inquire about joining " Access Freightliner" takes a while but you get online access to parts and wiring info for your chassis.
1-800-385-4357
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Old 08-12-2016, 05:36 AM   #8
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Quote:
Originally Posted by howbowthat View Post
I have 2000 National Tradewinds 7373 that the Turn Signal and 4 way flashers have quit working on. I have checked fuses as best I could in panel by drivers seat. I have not located a turn signal flasher. If anyone knows where the flasher is or any other help would be appreciated.
On my 99 Tradewinds the flasher in in the fuse box beside the driver seat, do your overhead map lights work? My fuse is in a pig tail like holder works turn signal, map lights, and radio. Go to owner forum National and their is a lot of information about this.
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Old 08-12-2016, 06:37 AM   #9
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Thanks. I will check this.
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Old 08-12-2016, 06:38 AM   #10
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Thanks to all. I will go to National forum.
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Old 08-12-2016, 09:46 AM   #11
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I have checked all of your suggestions, even called Freightliner, I still have not located a turn signal flasher. If anyone knows where the flasher is or any other help would be appreciated.
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Old 08-13-2016, 06:33 PM   #12
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Did Freightliner send you wiring diagrams and a schematic ??

If they did I'd like to see them , to see how much they differ from mine .

After a real close examination of the location of my flashers , I found the attached wires , to be 3 feet long from there exit from the main harness , add to that the 2 feet the fuse/relay boxes are from the same point on the harness the flashers could have been located 5 feet from where they are.
I'm glad Newmar put them where they did.
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Old 08-17-2016, 03:44 AM   #13
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There was a panel just forward and to the left of drivers seat. The flashers were tucked away inside. Thanks to all!!
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Old 08-17-2016, 10:37 AM   #14
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Quote:
Originally Posted by howbowthat View Post
There was a panel just forward and to the left of drivers seat. The flashers were tucked away inside. Thanks to all!!
Were the flashers , hanging from the wiring ; as in my photo ; or plugged into a fuse panel?
Did new flashers cure your problems?
I'm still trying to figure out if National coaches on Freightliner chassis , have a different wiring harness than Newmar; or if there was a mid year production up-date to the harnesses .
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