Hello, Aster -
I assume you are in the USA.
Your local public library system probably subscribes to one or more automotive repair manual databases, which would include information (with drawings and diagrams) on repair of your Dodge Grand Caravan. The repair manual information for your vehicle will probably have the information and illustration/s you need
If you are not familiar with the auto repair databases, but do have a valid library borrower card, you can find the phone number for the main / headquarters public library system, call the library, ask to be connected to the reference / information desk, and ask one of the librarians to talk you through how log in and access the database where you can see and download (PDF format) the relevant pages for your vehicle.
Note: The headquarters library in your public library system may be the only one open on a Sunday.
If you do not have a valid library borrower card, you will need to visit your local public library and apply for one. You will need an official photo ID (driver's license and perhaps some other form of ID which verifies your residential address - electric bill, cable / dish TV services bill, etc.) to complete your borrower application.
While you are at the local public library, ask one of the reference / information librarians to pace you through access to the auto repair database/s. You can then find the right information and either print the pages you need at the library (may be a printing charge) or send them as an attachment to your email address, so that you can print the pages at home.
Note: If you do not know how to find the phone number for the main public library or do not know where the public library nearest you is, you can conduct a search using your favorite search engine (Google, Bing, Yahoo Search, etc.), using this search strategy, with quotation marks as shown:
"Your City Name, State" "public library"
Example: "Upper Sandusky, Ohio" "public library"
Your public library = Your taxpayer dollars at work!
SOURCE: 2001 Grand Caravan - Radiator Fan Control Circuit Problem
The relay that is located right usually in the middle of the fans is stuck open.Take that off and take it to the nearest parts store and they should have it in stock.Its kind of a common problem.That relay is designed to finish cooling off the car before they shut off and they'll run with the keys out.If the relay is bad they'll keep on running till the battery is dead..
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_a3369546f8067589
SOURCE: 2000 Dodge Grand Caravan need to know where relay
the cooling fan relay is not in the fuse box.
it is a solid state relay bolted to the radiator core support just behind the bumper
SOURCE: location for radiator fan control relay circuit
This relay is a common problem for Chrysler vehicles. Located in the passenger side bumper area (Jeeps). Test the fan first.
Hope helped (remember rated ths help) Good luck.
SOURCE: 2002 Dodge caravan 3.3L. Code P1491. Replaced with
you have an open or shorted condition detected in the low speed radiator fan relay control circuit. hope this will help!!!!
SOURCE: where do I find the cooling fan relay switch on a
RADIATOR FAN RELAY
The radiator fan relay is located below the left front headlamp module Radiator Fan Relay The headlamp module must be removed to access the relay.
REMOVAL
Open hood, disconnect and isolate the battery negative cable.
Remove the left side headlamp bulb from the headlamp housing.
Remove the left headlamp module.
Remove the cover over the relay.
Disconnect the relay connector Radiator Fan Relay
Carefully drill out the two retaining rivets.
Remove relay from vehicle.
Trouble Code: P1491
You PCM does not sense current to radiator fan when it turns it on. Is the fan coming on or not? Usually not when you have this code. Problem can be with the fuse, relay, wiring or fan itself. First check the fuse. If good, next try swapping the relay with another one in the engine compartment relay box, such as the horn relay.
Let the car warm up and see if the fan will come on. If yes, get a new relay. If not, either use a test light to see if there is voltage at the fan connector when the engine is on and hot, or else test the fan motor by hotwiring it to the battery. If none of this works, please get back to me for how to troubleshoot the wiring.
Radiator Fan Control Relay Circuit Malfunction
Possible Causes:
Radiator fan control relay circuit is open or shorted to ground
Radiator fan control relay circuit is open (test power to IGN)
Radiator fan control relay is damaged or has failed
PCM has failed
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