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19741 Error Code For Ford-New Holland Tractor Models

There are 2 kind of error description.

Description:

D3 Main Relay opens too early / too late - main relay open circuit - P0687 ECM/PCM Power Relay Control Circuit High
Main Relay opens too early / too late - main relay open circuit - P0687 ECM/PCM Power RelayControl Circuit High

If Inadequate air flow is problematic, so clogged air filters, evaporator core air flow restricted, faulty blower fan motors, defective blower switch or faulty wiring or loose connections.

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