Get out your VOM and test. You have what appears to be a short somewhere. Test for power and test for shorts.
Have you pulled a wiring diagram?
You are "so close".
Have you pulled a wiring diagram?
You are "so close".
1 - 3 of 3 Posts
Heres the Circuit Description;
Steering Wheel Heater
The energised steering wheel relay provides a feed to fuse 29. Fuse 29 (C0582) is connected to the rotary coupler (C0374) by a GB wire, allowing the rotary coupler to provide a feed to the heated steering wheel ECU C1948 ) on an N wire. The steering wheel ECU is earthed via the rotary coupler on an R then N wire.
And the wiring diagram;
![Text Diagram Line Floor plan Font]()
If it won't turn off to maintain a certain temp then the temperature switch in the wheel must be faulted somewhere. If it won't turn off when you shut the truck off either the relay contact is welded closed or its not being powered from a switched ignition source.
Steering Wheel Heater
The energised steering wheel relay provides a feed to fuse 29. Fuse 29 (C0582) is connected to the rotary coupler (C0374) by a GB wire, allowing the rotary coupler to provide a feed to the heated steering wheel ECU C1948 ) on an N wire. The steering wheel ECU is earthed via the rotary coupler on an R then N wire.
And the wiring diagram;
If it won't turn off to maintain a certain temp then the temperature switch in the wheel must be faulted somewhere. If it won't turn off when you shut the truck off either the relay contact is welded closed or its not being powered from a switched ignition source.
1 - 3 of 3 Posts
