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Old 11-03-2017, 02:58 AM   #1
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Brand: Thor Motor Coach
State: Arizona
Posts: 4
THOR #9881
Unhappy Would Like to Connect with 2010 Tuscany Owner

Hello I own a 2010 Tuscany 4078--purchased a few months ago. I'm having a couple of weird electrical issues that are difficult to troubleshoot because I do not know how they are actually supposed to work. The manual is of no help. So I'm interested in corresponding with another Tuscany owner in the 2008-2012 range. My issues surround the patio light, the switch panel right inside the entry door and the two ceiling lights above the driver and the pax seats. Thank you. geno.r.riley@gmail.com
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Old 12-17-2017, 06:47 PM   #2
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Brand: Thor Motor Coach
State: Nevada
Posts: 4
THOR #10277
Quote:
Originally Posted by retskylord View Post
Hello I own a 2010 Tuscany 4078--purchased a few months ago. I'm having a couple of weird electrical issues that are difficult to troubleshoot because I do not know how they are actually supposed to work. The manual is of no help. So I'm interested in corresponding with another Tuscany owner in the 2008-2012 range. My issues surround the patio light, the switch panel right inside the entry door and the two ceiling lights above the driver and the pax seats. Thank you. geno.r.riley@gmail.com
Having the same problem with patio lights not working and the lights above seats dim
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Old 12-18-2017, 12:43 AM   #3
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Brand: Thor Motor Coach
State: Arizona
Posts: 4
THOR #9881
Possible Problem Isolated

I may have found the problem--a review of the electrical schematic reveals there is a diode in the Patio Lights circuit between PLS-14R and OLS-14GN. I believe this diode has failed and is allowing voltage to flow in the opposite direction. Both the Patio lights and the ceiling lights draw power from the "A" DC-essential-bus via the HPA-14BK circuit. I am going to replace the diode but am pretty sure that is the problem--I will let you know when I replace it--I just have to find it now. email me at: geno.r.riley@gmail.com and I will send you the schematic.
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Old 12-18-2017, 03:25 AM   #4
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Brand: Thor Motor Coach
State: Arizona
Posts: 4
THOR #9881
Electrical issue

Harleychett hi, Hey I'm not really up to speed on the whole "thread" thing on these forums--can I ask you a question? Your patio light switch on your Tuscany--it is a 3 position rocker switch with neutral/off in the middle right? Mine has never worked correctly so I don't even know how it is supposed to work--which is impacting my ability to troubleshoot the problem. Can you tell me--back when yours was working correctly--what was the difference between position 1 and position 2 on that rocker switch? According to the schematic it looks like in position 1 you have the two ceiling lights over the seats, the little courtesy light in the step-well and the lighted door handle. In position 2 you have all the same except for either the door handle or the courtesy light remains off--I can't tell which one it is. Can you help? geno.r.riley@gmail.com
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