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On a 2002 Chrysler Voyager, the cooling fan relay is located in the Power Distribution Center (PDC) under the hood. The PDC is a black box located on the driver's side of the engine compartment, near the battery. Here's how you can locate and identify the cooling fan relay:
Open the hood of your Chrysler Voyager and locate the PDC.
Open the cover of the PDC by pulling up on the latch on the front of the cover.
Look at the underside of the PDC cover for a diagram that shows the location and function of each relay and fuse.
Locate the cooling fan relay on the diagram. It should be labeled "FAN RELAY" or something similar.
Check the corresponding location in the PDC to confirm that the cooling fan relay is installed in that position.
If you are still having trouble locating the cooling fan relay or identifying which relay it is, you may want to consult your vehicle's owner's manual or contact a mechanic or dealership for assistance.
Check Maxi fuse #3 60 amp in the under hood electrical center #1 .This is power for the #1 cooling fan . Also check the #1 fan control relay in the same under hood electrical center .
These vehicles use 2 360 mm (14.2 in) cooling fans to aid air flow through the radiator. Electric motors drive the cooling fans. These motors are attached to the radiator. Motor size varies with each engine option.
A coolant temperature switch activates the fan motors. This switch regulates voltage to the cooling fan relay. This switch operates the fan whenever the engine coolant temperature exceeds 110°C (230°F). For location and diagnosis, refer to Electrical Diagnosis. A transducer can also activate the circuit, depending on the A/C compressor head pressure going to the condenser.
The engine cooling fan relays provide the high current required for the cooling fan motors using a low current signal coming from the Powertrain Control Module (PCM). This signal is a function of various inputs.
Refer to Electrical Diagnosis for further information and diagnosis of the cooling fan relay.
Electrical Center #1, Underhood (U/H)
RH side of the engine compartment, forward of the strut tower
which fan? Interior fan, or radiator cooling fan? Is it the radiator cooling fan, or the fan controlled by the air-conditioning?
Run the vehicle, turn on and off the air-conditioning to identify which of the fans in the engine bay is the one triggered by the air-con and which is the primary cooling fan. If the primary cooling fan is permanently engaged, then first try replacing it's relay as it may have fused closed.
Chuck Smith, why are you answering an unanswered 11 year old question? :>D
Always include a link as proof. This vehicle has three relays.
Relay
FAN CONT #3
Secondary Cooling Fan (Passenger's Side)
Relay
FAN CONT #2
Cooling Fan Control Relay
Relay
FAN CONT #1
Primary Cooling Fan (Driver's Side)
https://www.startmycar.com/ca/chevrolet/impala/info/fusebox/2001..
It is located at the rear of the engine compartment behind the right strut tower. Thyere are 3 or 4 relays there in a cluster. The one you want has 4 wires: 2- RED 1- LIGHT BLUE and 1- DARK GREEN.
Both of theRED wires are HOT at all times. They come from fusible link [G] located at the starter solenoid (RUST colored).
The LIGHT BLUE wire goes to the cooling fan. This one should be hot whenever the Powertrain Control Module (PCM) turns the relay on. One of the RED wires provides battery positive voltage to the LIGHT BLUE wire when the PCM grounds the relay primary (coil) circuit to operate the relay.
The DARK GREEN wire is the relay control circuit from the PCM. One of the RED wires feeds battery positive voltage to the relay coil and the PCM controls the relay by providing GROUND for the relay coil. The DARK GREEN wire goes to Connector #2, PIN #2 at the PCM.
Fan relay is located under pass headlight. Remove light assembly, use 2 1/2 " hole saw to drill hole in plastic housing ,3"from back wall, 3'' from left side.This will put you right over relay. Unscrew two bolts,replace. Relay was $40.... dealer wanted$350 to remove front bumper to replace it.
They are all in the fuse box under the hood the relays dont work in a way where one controls one fan and one controls another fan they run the fans in series for low speed and paralel for high speed. They are numbered 37,39,40 you would have to replace them all to see if that takes care of your problem
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