i guess you could say its the on off switch. i had both still on mine. till the t stat burnt up.
In that case would the engine be under cooled, which isn't good for the engine neither
My 1997 Grand Prix GTP progress build thread! Mods At The Moment: 160+ Amps Alternator. Mods I Will Be Doing In 2015: Speed Daddy Headers, 3.4" Modular Pulley System, Open Air Intake, BillBoost Tune, TransGo SKĀ® 4T65E Transmission Shift Kit, 180* Thermostat