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Current version by: mayer ,

Text:

Blower
 
Very likely your blower control module. Under the hood. Try jumpering 12V from the battery to the blower itself (purple wire, make sure black is grounded). If the fan works, it's probably the module.
 
You'll have to pull the maxifuse relay center (two 10mm nuts) and rotate it out of the way. The module is the device sitting in the top of the evap housing below (you can see it without pulling the maxifuse stuff). Has two plugs on it.
 
They're 150 bucks new, but a dime a dozen at the wrecker in Pontiacs, Olds, Buick, some Caddy's, etc if they had ECC and not manual (knob) climate control. Don't get the resistor pack from what most of the cars out there have. It will not work.
 
3 OUTERMOST screws only. Or it'll fall apart on you. Here's photos: http://www.pontiacbonnevilleclub.com/forum/viewtopic.php?f=45&t=2432
Go here and down for a picture of the fuse box: http://pontiacbonnevilleclub.com/forum/viewtopic.php?f=21&t=20922

Status:

open

Original post by: mayer ,

Text:

Blower

Very likely your blower control module. Under the hood. Try jumpering 12V from the battery to the blower itself (purple wire, make sure black is grounded). If the fan works, it's probably the module.

You'll have to pull the maxifuse relay center (two 10mm nuts) and rotate it out of the way. The module is the device sitting in the top of the evap housing below (you can see it without pulling the maxifuse stuff). Has two plugs on it.

They're 150 bucks new, but a dime a dozen at the wrecker in Pontiacs, Olds, Buick, some Caddy's, etc if they had ECC and not manual (knob) climate control. Don't get the resistor pack from what most of the cars out there have. It will not work.

3 OUTERMOST screws only. Or it'll fall apart on you.  Here's photos:  http://www.pontiacbonnevilleclub.com/forum/viewtopic.php?f=45&t=2432

Status:

open