I have a 1998 Pontiac Bonneville when i bought the car the a/c worked and the heater blew. Now neither will blow any air. I have checked the fuses what i have found seems fine. But i didn't find one for the blower motor. The coolent is full how can i check to see if its the blower motor and if so how do i replace it?? Thanks Andrea
Does your machine have automatic HVAC control or manual?
If automatic there is a blower control module that might be the culprit. It's powered from the 30 amp A/C fuse under the hood.
Other possibilities (with automatic HVAC) include the HEATER and A/C PROGRAMMER with these fuses:
15 amp AUTO A/C CRUISE (in the instrument panel fuse block)10 amp MSC/RDO/CLSTR (in the instrument panel fuse block)
10 amp A/C FEEDBACK (in the instrument panel junction block; right side)If you have manual HVAC it's a whole different ball game. Let me know.
how do I find out if I have a automatic HVAC control or manual?? I really appericate your help I just purchased this car yesterday and i bought it as it with no warrenty and the dealership won't help me.. thanks Andrea
Here's a description of the controls for the automatic HVAC. Is this what you have?
The heater and A/C control allows the vehicle operator to communicate with the electronic A/C system. The heater and A/C control includes the following features:
Soft touch buttons to select operating modes A temperature increase/decrease rocker switch A fan speed increase/decrease rocker switch An English/metric display switch The rear defog control switch A vacuum fluorescent information display panel
All I have is 3 knobs.. One for the fan, one for tempature and one for the setting for example, floor,defrost,A/C.. The only button there is is for the rear window heater strips..
According to the owners manuel It's called Standard Climate Control System.. So I think I have the Manual system.. Again I really appericate all fo your help.. Andrea
All I have is 3 knobs.. One for the fan, one for tempature and one for the setting for example, floor,defrost,A/C.. The only button there is is for the rear window heater strips..
According to the owners manuel It's called Standard Climate Control System.. So I think I have the Manual system.. Again I really appericate all fo your help.. Andrea
The fuse for the blower on your machine is a 30 amp fuse marked A/C (fuse 3) in the right hand underhood fuse block, but it is used only for high speed. The fuse for lower speeds is a 25 amp fuse marked BASE A/C (fuse 5D) in the instrument panel fuse block.
Some possibilities for your trouble:
Blower relay has failed (right hand underhood fuse block) Motor speed control resistors have burned up (underhood below fuse blocks) Blower motor is bad Blower motor has a loose or disconnected power or ground wire HVAC mode control switch in the dash has failed (open circuit) Loose connector on the HVAC mode control unit (in dash)
how do i locate the blower motor?? I have checked both of the fuses and they are fine.. I have the ablity to test the blower motor once I am able to locate it.. Thanks for all of your help..
Blower motor is located:
"In the center rear of the engine compartment, below the left side MaxiFuse® block"
i was just wondering if i have to go in trough the dash or under the hood. thank you for your help.
Should be under the hood.
Thank you so much for your help.. I found the blower motor but then the car died. I replaced the fuel pump, spark plugs and wire's and got it running now the car over heats and they think its the head gasket or the intake manafold gasket. But again thank you so much for all of your help. Andrea
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