Question about 2003 Dodge Caravan

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Is there a relay to control the Rad fans( Grand Caravan 1099 3.8 ) and if so where is it located? imostainless.com

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This has a module (RELAY) behind passenger headlamp has 2 rivots on it. you drill them out and screw or rivot new one on.it is flat skinny module looking box with a plug on it.

Posted on Jun 20, 2009

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1 Answer

Have 2000 dodge grand caravan had to replace radiator now neither fan will come on checked 40 amp fuse in box under hood its good any suggestion


make sure the electrical connector is connected properly.there is also a relay that controls the fans.it sounds like the fans were working before the rad was changed so its probably something simple.make sure the cooling system is full of coolant as if its low the sensor that sends the signal to the computer to turn on the relay to turn on the fans may not be getting reading the proper temperature.

Oct 25, 2011 | 2000 Dodge Grand Caravan

2 Answers

I could not find code p1491 for my 1999 dodge grand caravan


P1491 Rad Fan Control Relay Circuit
This code indicates their is a fault with in the radiator cooling fan circuit. are their any other symptoms or just this code showing? it may be that it something electronic has failed, and the thermostatic fan will just run at full speed, instead of cutting in and out as required to regulate temperature. If fan is runing, their is no harm in driving vehicle.

Jan 21, 2011 | Chrysler Town and Country Cars & Trucks

1 Answer

2000 grand caravan 3.8 Condenser fans not comming on with a/c ...fans do cycle with engine temp compressor is engauging and a/c is trying to work but gets hot fast with no ..... fan working


Check under the hood in the fuse/relay panel. Lift the cover and look inside the cover for the correct location for the fuse/relay controlling the cooling fans. Either the fuse will be blown or the relay is bad. Use a test light to check the fuse for power on both sides,if you have power on the fuse then the relay has gone bad. Hope this will help you.

May 23, 2010 | 2000 Dodge Grand Caravan

1 Answer

WERE IS THE SENSOR THAT CONTROLS THE ELECTRIC RAD ON 2000 GRAND C


you will need to replace the fan relay module, its located under the driverside headlamp assembly, remove the headlight and there it will be, good luck. hope this helps.

Dec 07, 2009 | 2000 Dodge Caravan

1 Answer

I took my 99 dodge grand caravan to advanced auto and got a computer readout of p1491 as the error code. is this important and is this expensive?


P1491 is Radiator Fan Control Relay Circuit. MEANING: An open or shorted condition detected in the low speed radiator fan control circuit.
Some questions for you:
1. Is your Caravan overheating?
2. Is your Caravan water temperature spiking going past the midway point on the Temp Gauge before the radiator is engaged?
3. Is your Rad Fan coming-on and then turning off and back-on in a very short period of time (like under a minute?
If all of these are "No" then do not worry about it.


Nov 15, 2009 | 1999 Dodge Grand Caravan

1 Answer

1999 dodge grand caravan 3.8l engine cooling fan won't turn on


dont think so,seem to remember a reostat somewhere at the bottom of the rad right hand side ,check for earth problems as well ,sorry if vague but i seem to be forgetting things as i get old .

Aug 17, 2009 | 1999 Dodge Grand Caravan

1 Answer

Where is the radiator fan relay on a 2006 grand caravan


The cooling fan control relay is located behing the grill in a crossmember (see the pic). It works in conjuction with the Integrated Control Module.

e0ef069.jpg1. Grill
2. Fan control relay
3. Rivet
4. A/C condenser

Hope this helps.

Jun 06, 2009 | 2006 Dodge Grand Caravan

1 Answer

I replaced my radiator cooling fan motors both of them on my Dodge Grand Caravan and i replaced the relay and fuse and coolant temparature sensor and my fans still won't work.


check for battery power at pin 4 of rad fan relay connector..ground at pin 1..jump pins 3 and 4..fans should work..if not,check harness about 3-4 inches away from relay connector..have seen these corrode..if fans work,the engine controller may not be grounding relay..any codes in engine controller?engine light on?

May 16, 2009 | 2000 Dodge Caravan

2 Answers

2001 grand caravan


the a/c condenser fan fuse could be blown. replace fuse and disconnect battery. there is also a TSB relating to this. call dealer to confirm

Mar 12, 2009 | 2001 Dodge Grand Caravan

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