G 3500 1 Ton Van V6-262 4.3L (1985)
6.
Install temperature sender (part No. 14080661) in right cylinder head, Fig. 3.
Fig. 4 Electric cooling fan wiring harness routing
Fig. 5 Electric cooling fan wiring circuit
7.
Route and secure fan wiring harness as shown in Figs. 4 and 5.
8.
Fill cooling system and connect battery ground cable.
9.
Run engine and check for proper fan operation. Fan should be energized when engine temperature reaches approximately 225---240°F. Ensure
fan blows air through radiator. If fan blows in opposite direction, reverse wires in fan electrical connector at motor.