Circuit/System Description
For an overview of the component/system, refer to: Power Windows Description and Operation
| Circuit |
Description |
| B+ - M74D Window Motor - Driver |
Supplied from a fuse. |
| B+ - M74P Window Motor - Passenger |
Supplied from a fuse. |
| B+ - M74LR Window Motor - Left Rear |
Supplied from a fuse. |
| B+ - M74RR Window Motor - Right Rear |
Supplied from a fuse. |
| Signal - Down @ M74 Window Motor |
The output circuit is switched to ground to activate the component. |
| Signal - Express @ M74 Window Motor |
The output circuit is switched to ground to activate the component. |
| Signal - Up @ M74 Window Motor |
The output circuit is switched to ground to activate the component. |
| Ground |
Chassis Ground |
| Component |
Description |
| S79D Window Switch - Driver |
The S79D sends a serial data message to the K9 indicating the M74 function that has been requested. |
| M74 Window Motor |
- Power Window Control
- The control module and the DC motor are one assembly.
|
| S79P Window Switch - Passenger |
The switch has a normally open contact. |
| S79LR Window Switch - Left Rear |
The switch has a normally open contact. |
| S79RR Window Switch - Right Rear |
The switch has a normally open contact. |