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Old 03-13-2021, 07:18 PM   #1
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Tiffin Owners Club
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Tiffin 2012 40 QBH Amber Front Clearance/Marker lights

I had my 5 front " AMBER" Clearance/Marker lights replaced yesterday, and the shop tech. had the parking lights on so he could verify each light as he connected them one at a time.


In completing the last one, and I was observing this, he pulled a bit to bring some slack wire out to make a butt splice, when all the front Amber lights went off. We assumed he had created a short, ect, but no such issue was found, and in opening the driver side front basement compartment door, we found a 30A fuse and a relay that seemed to correspond to this circuit.


Fuse was good, swapped relay, still no lights. We definitely have (0) volts up at the black and white incoming conductors that supply these lights.


Question: Does anyone know if there is another fuse strip, located at a place other than the noted basement compartment, that perhaps supplies the front Marker lights. (PS) The rear RED marker lights are not affected and burn correctly when parking or head light switch is on.????


Thank you
Jerry
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Old 03-13-2021, 07:35 PM   #2
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Are your markers incandescent or LED? Mine on the 2013 are LED's and it seems that I remember hearing that there is an inline fuse somewhere in the line under the front cap where the wire for the lights drops down. You might give Tiffin service a call at 256-356-0261.
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Old 03-14-2021, 07:37 AM   #3
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By pulling on the wires you may have created an open and not a short. Need to open the back of the overhead cabinets and try to access the wires
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Old 03-14-2021, 09:52 AM   #4
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rear clearance lights not working

Quote:
Originally Posted by Ranger Smith View Post
By pulling on the wires you may have created an open and not a short. Need to open the back of the overhead cabinets and try to access the wires
Our only new motor home had a similar problem. Those lights quit altogether. A bit of investigation led ot to the area that showed the butt connector that had failed. Trying to remember how we accessed the problem. Had to remove something off the back of the coach just do not recall what it was. Possibly the backup camera. Thankfully there was sufficient slack to make the repair without taking the whole backend apart.
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Old 03-14-2021, 11:35 AM   #5
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Trace the wiring coming down the the front pillar post to the generator compartment. There is a 2 amp in-line fuse in that wiring just below the pillar post.
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Old 03-15-2021, 05:27 AM   #6
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Ranger Smith,

Yeah, I have inspected all the wiring in the front overhead that connects the 5 Amber lights, all is good, But,?the Black and White 12VDV supply conductors are not energized. It appears that they go down the left pillar or channel, I assume to the light switch on the dashboard for the parking/ headlight switch.?

I verified fuse in lower driver side compartment is good. It may be a inline fuse? Just have not pulled switch from dash, not sure how to remove it and I am going about this tepidly to avoid damaging things.
Would you or and reader know how the parking/headlight switch is to be removed ?.
Thank you for your assistance.
Jerryd13
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Old 03-15-2021, 06:33 AM   #7
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On our 2011 the LED marker lights were on a factory recall warranty replacement. The new lights had an in line fuse in the generator bay that was part of the update.

If your coach already had the update before installing your new lights you may check for an inline fuse. I think it was somewhere above the drivers headlamp that went up the pillar to the top cap.
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Old 03-15-2021, 11:06 AM   #8
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Front Amber Marker Lights

The Solution to not having voltage on the Black and White 12VDV Supply coming into the upper cavity where marker lights are located is as was suggested, a inline fuse that we owners have no drawings of, it is located in the Generator Bay, TIFFIN WIRED THESE LIGHTS, they supplied the wire and installed the lights, NOT FREIGHTLINER, AND I ONCE AGAIN ASK THAT ALL OWNERS COMMUNICATE TO TIFGIN, the fact in my case, 2012 40 QBH, I HAVE THE TFFIN ELECTRICAL BOOK, But this book does not contain many letters guts and other wiring circuits that we should have the drawings for.

Thank you to all who assisted me in this one simple issue, my having a drawing would have allowed me to correct issue in 5 minutes.
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