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Old 10-30-2016, 02:39 AM   #1
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Model: Tuscany 45AT
State: Illinois
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THOR #5822
Driver seat adjustment not working

The driver seat adjustment on my Tuscany 45AT stopped working several weeks ago. Lucky for me it was in the right spot for me to drive.

Today I disconnected the switch terminal plug and checked for voltage on the two heavy gauge wires. No voltage present. I made the same check to the passenger seat wiring and measured 12 VDC on the same terminals.

I went to the relay/fuse compartment (driver side front compartment) and found the fuses for the cockpit seats. I swapped fuses and checked both seats. The passenger seat still worked, the driver seat was still non-functional.

The problem must be on the back of the fuse board (loose wire) or in the cable harness going through the floor to the driver seat base.

Has anyone else had this problem?

How did you solve it?

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Old 10-30-2016, 04:06 PM   #2
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THOR #1183
Seat comes with pigtails - short wires. During installation the connection is made to house wires between hole in floor and seat. In our case wires to short and rotating seat 180 degrees for use when parked eventually pulled the connection apart. Look for that connection
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Old 10-31-2016, 07:14 PM   #3
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THOR #5822
Driver seat adjustment not working - Loose wire connection in cable loop

Thanks for the guidance ...

I found a section of the cable underneath the seat that was wrapped in a velcro cover. I opened it up and discovered one of the two crimp connections had failed. I will buy new (better) connectors and repair it later tonight. I will try to attach a photograph for the benefit of any other RV'ers that might encounter this problem.
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Old 10-31-2016, 07:33 PM   #4
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Photo of failed wire connection

See attached file ..
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Old 08-03-2021, 10:26 PM   #5
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THOR #24424
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Originally Posted by mjdougherty View Post
See attached file ..
Do you still have that photo? I just bought my 2017 Vegas and have the same issue. First time RV'r here.
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Old 08-03-2021, 10:51 PM   #6
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Originally Posted by Hooked View Post
Do you still have that photo? I just bought my 2017 Vegas and have the same issue. First time RV'r here.
There was never any file/photo attached.
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Old 08-04-2021, 03:17 PM   #7
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Quote:
Originally Posted by Hooked View Post
Do you still have that photo? I just bought my 2017 Vegas and have the same issue. First time RV'r here.
Welcome to the Forum

Please describe your ‘17 Vegas driver’s seat issue.
That is, there were no OEM power seats included in the ‘17 model year
So if you’re having a power seat issue, then it’s an after-market seat
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Old 08-04-2021, 03:41 PM   #8
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Originally Posted by taylorbob1 View Post
Welcome to the Forum

Please describe your Ď17 Vegas driverís seat issue.
That is, there were no OEM power seats included in the Ď17 model year
So if youíre having a power seat issue, then itís an after-market seat
There is a black panel with switches on the right side of the driver's seat, it's supposed to move the seat up down, forward back etc. On the passenger's seat, these all work, on the driver's seat, none of the switches work.
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Old 08-04-2021, 04:01 PM   #9
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Originally Posted by Hooked View Post
There is a black panel with switches on the right side of the driver's seat, it's supposed to move the seat up down, forward back etc. On the passenger's seat, these all work, on the driver's seat, none of the switches work.
Sounds like a power supply problem. Did you break out the multimeter and check for 12 VDC to the controller?
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Old 08-04-2021, 04:06 PM   #10
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Like I said, if your rig is a ‘17, then those are after-market power seats installed by the previous owner.
So you would need to discover the brand of the seat and contact the manufacturer for assistance.

Also, usually problems like that occur within the switch mechanism itself or a fuse that directs power to the seat.
If you feel comfortable using a Multimeter, you can atleast determine if there is power to the switch.

- If there’s power at the switch, then it’s possibly the switch contacts
- If there’s no power at the switch, then you need to back-track the line to find where it’s connected to the master 12v power, testing along the way

Let us know what you find if you decide to diagnose yourself
PS-admin Ted got to it before I could finish typing (haha)
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Old 08-04-2021, 04:29 PM   #11
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Crimped wire connections in moving wire harnesses - if not done perfectly - are doomed to fail sooner or later. For sanity ALWAYS solder connections for reliability.
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Old 08-04-2021, 07:31 PM   #12
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Originally Posted by Chateau_Nomad View Post
Crimped wire connections in moving wire harnesses - if not done perfectly - are doomed to fail sooner or later. For sanity ALWAYS solder connections for reliability.


Soldered connections in a vehicle can fail as well because they are brittle. Better to learn to make good crimp connections. IMO
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Old 08-05-2021, 07:39 PM   #13
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Originally Posted by mjdougherty View Post
See attached file ..
Here is the missing file. I have found it very difficult to find and then attach photos in this forum. Sorry for the long delay!Click image for larger version

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Old 08-05-2021, 09:00 PM   #14
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THOR #5822
IMHO, crimp connectors are designed to minimize costs in high speed production environments. In this application, where the seat rotates and moves up/down, the use of a crimp connection is a prescription for failure. I believe that the problem with my wiring was related to the quality of the connector AND the skill of the technician. My final solution was the use of lightly soldered connections and the proper size of twist-on connector for the heavy gauge wire. Before I put the wires back inside the Velcro jacket, I reinforced the connection by applying small 4" cable ties to the wires and the connectors to protect them from axial stress. See example photo...Click image for larger version

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Old 08-05-2021, 09:21 PM   #15
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THOR #13362
Glad you diagnosed and corrected the problem.

Like is previously saidÖthat was an aftermarket install
Not Thorís fault
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