VDP redundant passenger seatback controls?
#1
#4
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I have wired up everything on the switch with the exception of the backlight. On LWB cars there would be a connection for the dimmer control circuit under the seat. I do not have that wire....probably because my car is not a LWB.
Anyway, I connected the wire to what I thought was switched power, but it is constant power which results in the switch being backlit all of the time (even when the car is off). I am not concerned with the dimmer feature, I just want switched power so it is only backlit when the car is on.
I am having a difficult time finding switched power under the seat and the wiring manual is not the easiest to follow. It looks like I might be better off using a switched ground source...
Any suggestions?
Thanks,
Anyway, I connected the wire to what I thought was switched power, but it is constant power which results in the switch being backlit all of the time (even when the car is off). I am not concerned with the dimmer feature, I just want switched power so it is only backlit when the car is on.
I am having a difficult time finding switched power under the seat and the wiring manual is not the easiest to follow. It looks like I might be better off using a switched ground source...
Any suggestions?
Thanks,
#5
#7
![Default](/forum/images/icons/icon1.gif)
I have wired up everything on the switch with the exception of the backlight. On LWB cars there would be a connection for the dimmer control circuit under the seat. I do not have that wire....probably because my car is not a LWB.
Anyway, I connected the wire to what I thought was switched power, but it is constant power which results in the switch being backlit all of the time (even when the car is off). I am not concerned with the dimmer feature, I just want switched power so it is only backlit when the car is on.
I am having a difficult time finding switched power under the seat and the wiring manual is not the easiest to follow. It looks like I might be better off using a switched ground source...
Any suggestions?
Thanks,
Anyway, I connected the wire to what I thought was switched power, but it is constant power which results in the switch being backlit all of the time (even when the car is off). I am not concerned with the dimmer feature, I just want switched power so it is only backlit when the car is on.
I am having a difficult time finding switched power under the seat and the wiring manual is not the easiest to follow. It looks like I might be better off using a switched ground source...
Any suggestions?
Thanks,
My XJR is a short wheelbase and the switch is backlighted the way the factory designed it.
Do you have the 2 wiring harnesses?
The 1 from the switch to the seat harness and the seat harness that plug to the connector coming from the carpet
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#8
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Thanks for the replies.
The harness I purchased from eBay did not appear to be a direct plug and play. There were wiring color variations and some of the pins did not match up... I decided to not take a chance with the plug and play route. In other words, I made it difficult and went to town with my soldering iron. Anyway, it is all set now and the backlight works properly. I went with the lighting source from the rear seat heater switches.
I have the same switch you have. The backlight is hooked up to the dimmer controlled lighting...meaning if you adjust the steering column mounted dimmer, the backlight for the seat control switches will dim along with all of the other dash lights.
not sure that I understand your problem, if you bought a used wiring harness, it's plug and play. no need to do any wiring.
My XJR is a short wheelbase and the switch is backlighted the way the factory designed it.
Do you have the 2 wiring harnesses?
The 1 from the switch to the seat harness and the seat harness that plug to the connector coming from the carpet
My XJR is a short wheelbase and the switch is backlighted the way the factory designed it.
Do you have the 2 wiring harnesses?
The 1 from the switch to the seat harness and the seat harness that plug to the connector coming from the carpet
![](https://www.jaguarforums.com/forum/attachments/xj-xj8-xjr-x308-27/48312-vdp-redundant-passenger-seatback-controls-997999_235819063209356_1695843868_n.jpg?dateline=1373955627)
Last edited by Azcat; 07-16-2013 at 01:30 AM.
The following users liked this post:
JimmyL (07-16-2013)
#9
#10
![Default](/forum/images/icons/icon1.gif)
Thanks for the replies.
The harness I purchased from eBay did not appear to be a direct plug and play. There were wiring color variations and some of the pins did not match up... I decided to not take a chance with the plug and play route. In other words, I made it difficult and went to town with my soldering iron. Anyway, it is all set now and the backlight works properly. I went with the lighting source from the rear seat heater switches.
I have the same switch you have. The backlight is hooked up to the dimmer controlled lighting...meaning if you adjust the steering column mounted dimmer, the backlight for the seat control switches will dim along with all of the other dash lights.
![](https://www.jaguarforums.com/forum/attachments/xj-xj8-xjr-x308-27/48312-vdp-redundant-passenger-seatback-controls-997999_235819063209356_1695843868_n.jpg?dateline=1373955627)
The harness I purchased from eBay did not appear to be a direct plug and play. There were wiring color variations and some of the pins did not match up... I decided to not take a chance with the plug and play route. In other words, I made it difficult and went to town with my soldering iron. Anyway, it is all set now and the backlight works properly. I went with the lighting source from the rear seat heater switches.
I have the same switch you have. The backlight is hooked up to the dimmer controlled lighting...meaning if you adjust the steering column mounted dimmer, the backlight for the seat control switches will dim along with all of the other dash lights.
![](https://www.jaguarforums.com/forum/attachments/xj-xj8-xjr-x308-27/48312-vdp-redundant-passenger-seatback-controls-997999_235819063209356_1695843868_n.jpg?dateline=1373955627)
The following users liked this post:
Azcat (07-16-2013)
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