How to replace a motor in a 2005 pontiac grand pre

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2005 Pontiac Grand Prix ECM 3.8L Engine Computer (PCM ...

https://mintt.com > grand-prix-engine-control-module
The 2005 Pontiac Grand Prix is usually located in the engine bay on the driver side, on the firewall or near the battery. There are several symptoms of a bad or ...
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Must be a ground not hooked up/dirty connection at ground or a sensor or sensors not plugged in.

where is blower motor located

It is right next to the blower motor under the passenger side of the dash.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

General Motors vehicles do not have fuel pump reset switches.You have to check fuel pressure or fuses to find out if you have a problem with the fuel pump.Hope this helps.Good luck.

Disconnect the wire connector at the driver's window motor and install a test light or meter at the connector then operate the switch and see if the light or meter indicate proper function of the switch. If function is correct then the window motor/regulator is probably failed.

I had the same issue. Brought it back to dealer and they replaced the blower itself. Below is the bulliten


Models:
2005 Buick Allure (Canada Only), LaCrosse
2004-2005 Pontiac Grand Prix

Supercede:
This bulletin is being revised to update Step 5 of the service procedure. Please discard Corporate Bulletin Number 05-01-39-001 (Section 01 - HVAC).
Condition
Some customers may comment on an inoperative or intermittent Heating, Ventilation and Air Conditioning (HVAC) blower motor. Others may comment that the blower motor speed may momentarily drop or that the blower motor continues to run after the key is turned off.
Cause
This condition may be caused by a voltage spike from the wiper motor. The voltage spike may cause a logic lock up in the blower motor control module that may be either momentary or permanent.

check at the coil pack if all connector where plugged, i think there is 3 connectors to plugged
do you have voltage at the coil module

http://lmgtfy.com/?q=replacing+blower+motor+in+grand+am+05

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your blower motor is sticking this happens often when its humid