My fans wont kick on while sitting so it over heats but thermostat works when i drive to cool it back down.
Yes there is.
If it is not the relay, then it may be the fan motor. Unplug the motor lead and connect it to a 12Volt source. If it does not run from this direct feed, replace it.
Search Pontiac Grand Prix Questions
Pontiac Grand Prix Experts
Related Models For Sale
Used Cars For Sale