Fan Wiring

[redeclipse7782]

Radiator
------------
White-Black + (Lo)
Black - (Lo)
White-Blue + (Hi)
Blue-Green - (Hi)

Condensor
------------
Blue + (Lo)
Blue-Black - (Lo)
Blue-White + (Hi)
Black - (Hi)

Source: 1998 Mitsubishi Factory Service Manual Vol3

When installing an aftermarket fan such as a slimline wire the positives together and the negatives together.

Example:

White-Black \
Blue (+) (slimline)
White- Blue /

Black \
Black (-) (slimline)
Blue-Green /

[luv2rallye]

For an explaination of how speeds are generated using the 4 wires on stock 2g fans see: Cooling issue, plus wiring them up - DSM Forums.

To add a fan override switch using existant relays and wiring see post #11 of above link (or Cooling issue, plus wiring them up).