Test 3.

IGNITION SWITCH IN RUN, ENGINE RUNNING AND A/C ON

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


Pin # 1 B+

Pin # 2 B+

Pin # 3 B+

Pin # 4 (with A/C only) B+, with WOT switch closed

Pin # 5 B+

Pin # 6 B+, coolant temp. >221°F, WOT SW. shut
Pin # 6 0.0V, coolant temp. <221°F, or WOT SW. open

Pin # 7 0.0V, coolant temp. >221°F, A/C clutch energized

Pin # 8 (with A/C only) 0.0V, A/C cycling SW. closed
Pin # 8 (with A/C only) B+, A/C cycling SW. open

Pin # 9 not used

Pin # 10 (with A/C only) B+, clutch cycling SW. and WOT SW. closed
Pin # 10 (with A/C only) 0.0V, either switch open

ABBREVIATIONS
Wide Open Throttle (WOT)
Battery Voltage (B+)