FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Test 1.

IGNITION SWITCH OFF

NOTE: All measurements are made with the fan controller connection connected. Battery Voltage (B+) should be a minimum of 12.0V.


Pin # 1 0.0V

Pin # 2 not used

Pin # 3 0.0V

Pin # 4 0.0V

Pin # 5 B+

Pin # 6 B+, coolant temp. >221°F
Pin # 6 0.0V, coolant temp. <221°F

Pin # 7 B+, coolant temp. <221°F
Pin # 7 0.0V, coolant temp. >221°F

Pin # 8 0.0V

Pin # 9 0.0V

Pin # 10 0.0V