Ridgeline 2007-2008

Electric Engine Fan

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Electric Fan Switch



Location

Specific to:

Honda Ridgeline 2006-2008



Click image to see an enlarged view

Fig. Fan control relay location

Operation

Specific to:

Honda Ridgeline 2006-2008

Battery voltage is supplied at all time through fuses 20 and 19 in the underhood fuse/relay box to the contacts of the A/C condenser fan relay and radiator ran relay. With the ignition switch ON , battery voltage is supplied though fuse 30 to the A/C condenser fan relay. With the engine running, battery voltage is supplied through fuse 23 to the radiator fan relay coil.

Removal & Installation

Specific to:

Honda Ridgeline 2006-2008

  1. Before servicing the vehicle, refer to the precautions.
  2.  
  3. Remove the auxiliary underhood relay box cover.
  4.  
  5. Remove the radiator fan control relay.
  6.  

To install:

  1. Install the parts in the reverse order of removal.
  2.  

Testing

Specific to:

Honda Ridgeline 2006-2008

  1. Check for continuity between the terminals.

    Click image to see an enlarged view

    Fig. Fan relay terminal identification

    1. There should be continuity between the No. 1 and No. 2 terminals when power is connected to the No. 4 terminal and ground the No. 3 terminal.
    2.  
    3. There should be no continuity between the No. 1 and No. 2 terminals when power is disconnected.
    4.  

  2.  
  3. If resistance is not as specified, inspect the connectors and wiring harness.
  4.  
  5. If no faults are found, replace the relay.
  6.  

 
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