Coolant Pump Controller Specifications

Power Specifications:

  • Input voltage (B and I): 9 to 18 volts
  • Normal current draw: less than 0.25 amps
  • Current protected (self-resetting): BAT(1A), IGN(0.25A), PUMP(0.25A), W(0.25A)
  • Main Control Circuit Voltage: 9 volts
  • Thermistor Control Voltage: 6.6 volts

Timing Characteristics:

  • Pump Pulse On-time: 0.5 to 3 seconds
  • Pump Pulse Off-time: 2 to 8 seconds
  • Initialization time: less than 0.5 seconds

Connections:

  • BAT — Battery Connection
  • IGN — Ignition Connection
  • GND — Ground Connection
  • PUMP — Pump relay ground for activation coil
  • W — Warning Device ground (less than 0.25A)
  • T+ — Thermistor Connection
  • T- — Thermistor Connection

LED Activation triggers:

  • Green — 9 volt power is on
  • Blue — Pump relay grounding active
  • Red — Open wire to thermistor
  • Blue, Red — Circuit failure

Coolant Pump Controller Product Purchase Page