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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
