Fan Relay 1

Cooling Fan

Commands the low speed fan relay ON and OFF. Both cooling fans will activate on low speed.

Fan Relays 2 and 3

Cooling Fan

Commands the series parallel and high speed fan relays ON and OFF. The driver side fan will be OFF. The passenger side fan will activate on high speed.

Fan Relays 1, 2, and 3

Cooling Fan

Commands the low speed fan , high speed fan, and series parallel relays ON and OFF. Both fans will activate on high speed.