I need to know where the water pump is in a Pontiac

This says it is a Fuse

https://www.startmycar.com/ca/pontiac/grand-prix/info/fusebox/2001

This seems to explain it
https://www.reddit.com/r/Pontiac/comments/krgfsf/does_anybody_know_anything_about_the_power_drop/

Owner's Manual
https://my.gm.ca/gm/en/content/dam/gmownercenter/gmna/GMCC/dynamic/2001/pontiac/grandprix/en/2001_Pontiac_Grandprix_Manual_en_CA.pdf

....

Question edited for clarity 'year MAKE model'.

I see Larry has answered, but here are the full diagrams.

Fuse Box Diagram Pontiac Grand Prix (1997-2003)

https://fuse-box.info > pontiac > pontiac-grand-prix-19...
Fuse box location ... It is located in the glovebox, behind the cover on the right. The location of the fuses in the passenger compartment: Pontiac Grand Prix ...

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  Fuse Box Diagram Pontiac

  https://fuse-box.info > Home > Pontiac
  Fuse box diagrams (location and assignment of the electrical fuses and relays) ... fuses and relays) for Pontiac Grand Prix (1997, 1998, 1999, 2000, 2001, ...

Pontiac Grand Prix mk6 (Sixth Generation; 1998) - fuse ...

https://www.autogenius.info > pontiac-grand-prix-mk6-...
Feb 26, 2017 - The underhood fuse block is located on the passenger's side of the vehicle in the engine compartment. Pontiac Grand Prix - fuse box - engine ...

Pontiac Grand Prix 1998 Fuse Box/Block Circuit Breaker ...

https://www.carfusebox.com > pontiac-grand-prix-1998...
Jan 3, 2021 - Pontiac Grand Prix 1998 Fuse Box/Block Circuit Breaker Diagram ; Circuit Breaker ; HEADLMP, Headlamps ; PWR SEAT, Power seat, Power lumbar ; PWR WDO ...

First, check for blown fuses.

https://fuse-box.info/pontiac/pontiac-grand-prix-1997-2003-fuses-and-relays

In the glove box, behind the cover on the right
https://fuse-box.info/wp-content/uploads/2018/12/Pontiac-Grand-Prix-1997-2003_in1.jpg

Under the hood diagram
https://i0.wp.com/stickerdeals.net/wp-content/uploads/2017/05/similiar-1995-pontiac-grand-prix-fuse-box-diagram-keywords-throughout-2002-pontiac-grand-prix-fuse-box.jpg

The included link shows where the water pump is located and how to change it. It is very accessible and easily changed.
How to Install Water Pump for GM 3 1L V6 Engine Advance Auto Parts

Pontiac Grand Prix Climate Control/AC - Car Forums at Edmunds.com

forums.edmunds.com > Pontiac > Pontiac Grand Prix
Dec 29, 2007 - 30 posts - ‎20 authors Hi Joe, I had the same problem with no heat on my 2000 grand prix. .... motor and the exterior temperature sensor have both been replaced ... Pontiac Grand Prix Electrical/Lighting
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Fixing AC Temperature Control on my 2002 Pontiac Grand ...

? 9:58
www.youtube.com/watch?v=2BOdhWMdxXc

Jul 13, 2014 - Uploaded by Turbo231
Fixing AC Temperature Control on my 2002 Pontiac Grand Prix... How To Install Replace AC Heater ...

sounds like water pump or fan pulleys

Go to You Tube Video & watch

Fix your car right away by clicking the link I attached
2001 Pontiac Grand Prix GT Workshop Service Repair Manual

i have an 2002 grand prix gt with a bad tcc silinode sensor dont knoow where its located at...anyone that can tell me would be great

no you must drop the tank