Trouble Shooting Abbreviations

A/C: Air Conditioning

ACCS: A/C Cycling Switch

DVOM: Digital Volt/Ohm Meter (see VOM)

ECT: Engine Coolant Temperature sensor

EDF: Electric Drive Fan relay assembly

EEC: Electronic Engine Control

FP: Fuel Pump

FPM: Fuel Pump Monitor

GND: Ground

GRND: Ground

HEDF: High Speed Electro Drive Fan relay or circuit

KOEO: Key On Engine Off

KOER: Key On Engine Running

VOM: Analog Volt/Ohm Meter (see DVOM)

VPWR: Vehicle Power supply voltage (regulated 10-14 volts)

WAC: WOT A/C Cut-off switch or circuit

WOT: Wide Open Throttle