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2005 LeSabre, with climate control. The A/C and
your owners manual will identify the fuse to check. If you don't have the manual, you can get one online at gm. If the fuse is good, check the blower connection for water/corrosion. If connector looks good, check it for voltage from the switch. If voltage is getting to the motor, replace the motor.
on May 18, 2017
Trunk locks not opening
This is very complex if your not familiar with how Class 2 serial data communications work . When you press that trunk lid release button it sends a low voltage signal to the BCM - body control module. Here is how the factory service info. says how it works .
When the vehicle is in park and the trunk release switch is pressed it grounds the rear compartment lid release switch input in the Body Control Module (BCM). The BCM then sends a Class 2 message to the Remote Function Actuator (RFA). The RFA supplies an internal ground for the coil side of the rear compartment lid release relay activating the relay. The rear compartment lid release actuator receives battery voltage through the 15 A trunk release fuse when the relay closes. Ground is supplied by G400.
Your best bet is to take your vehicle to a dealer or some other qualified repair shop that has a factory scan tool or a professional grade type .
You could check the TRK/REL relay in the rear fuse/ relay box .Because you can't test the class 2 data to the rear integrated module.
Fuse Block Rear
Under the left side of the rear passenger compartment seat
on Jun 07, 2016
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