“The RPM reading is erratic or zero.” Solution (from manual, p. 7): The inductive pickup is directional. Arrow on the clamp must point toward the spark plug. Also, wrap the clamp around the wire twice if you have low signal.
: Throttle Position Sensor (TPS) out of self-test range.
Turn on the high-beam headlights, heater blower motor, and rear defroster. The voltage reading may drop slightly but must remain above 13.0V to confirm the alternator can handle a heavy electrical load. Starter Crank System Test equus 3022 tester manual full
Start the engine. Read your live RPM values along the corresponding cylinder track on the analog faceplate. 2. Measuring Dwell Angle (Points Ignition Only)
: Wipe or wire-brush the battery terminals to remove dirt and corrosion for a better connection. “The RPM reading is erratic or zero
: Attach the test leads to the circuit or component. For RPM or dwell, use the inductive pickup clamp on a spark plug wire. rotary switch to select the specific function and desired range. Measurement : Observe the LCD for real-time readings. Hold Button
She turned out the lights and left the Equus 3022 with its amber glow ebbing to dark, its last readout folded into the small archive of lives it had touched. The night carried on, and somewhere, a rhythm box once broken by silence would anchor a song, steady and true. Also, wrap the clamp around the wire twice
Look for two black plastic connectors near the firewall, fender aprons, or wheel wells:
Reads/clears engine codes and checks I/M monitors. 2. Safety Precautions (Crucial)