Lets get started on this fan repair. First of all you need to be Houdini! Why? Because if you do not have a flexible body, you will not be able to make the repair. First step is move the passenger front seat back as far as it will go on the track. Up underneath the dash, just behind the glove box is a panel. There are three snap plugs holding it in place. Remove the snap plugs and pull the panel out of the way. This procedure might require that you remove the glove box on some vehicles. Once the panel has been removed you will have access to the fan unit. Remove the fan assembly by removing the three nuts holding it in place. Now comes the miraculous fix! Behind the fan unit is the fuse module that they talked about in the repair guide. Most all replacement is the same on all Gm vehicles. Remove the small screws holding the module in place. Now pull out the fuse module and disconnect it for the wiring harness. The replacement for my vehicle cost $25.00 brand new from Autozone. The fan unit itself cost $98 dollars. The fan unit is hardly ever the problem. But you do need to clean the fan blades off before replacement. You can do a fan test by using some alligator clips that you can buy at RadioShack. Connect the positive lead + from the battery to the red wire on the fan motor. Connect the negative lead - from the battery to the black wire on the fan motor. This will be full speed only connect wire long enough to make sure the fan works. Now you know which component is at fault. So most likely you will be replacing the fuse module. There you have it you went through the procedure found the problem. Replace defective module. Repair is very simple now, plug new module into wiring harness. Put screws back in module. Plug in fan unit and put back in place and bolt back down with retaining nuts. Replace the kick panel and snap plugs. If needed you can get new ones at the auto supply store where you purchase the fuse module. Now if you removed the glove box, put it back in and the job is complete. You just saved yourself a few hundred dollars in repairs.

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