Supplies needed:

Set of fans from a mid-80's Nissan Maxima

Red and Black 10 ga. wire

White 16 ga. wire

Some sort of tempature switch (Hayden model 3651 used in this example)

Wire Block

2 Bosch style relays

Eyelet connectors, Butt connectors, female blade connectors.

Optional:

3-way Toggle switch (On-Off-On)

2 LEDs Yellow and Green

Ford relay pack