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Wayne, RV Mechanic
Category: RV
Satisfied Customers: 8270
Experience:  Work on several type of Rv engine, Trans, brakes
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I have a P37 Chev RV chassis (1995) and the radiator cooling

Customer Question

I have a P37 Chev RV chassis (1995) and the radiator cooling fan doesn't seem to be working. Can you direct me to the cooling fan relay? I believe it's under the dash board (which elevates on a hinge) revealing the main Chevrolet fuses, as well as other electrical switches/relays.) - Thanks, Jim
JA: How many miles are on the car? Has the car been starting normally?
Customer: Not a car, its a Chev chassis (one ton) with 120,000 miles
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Can't find the relay location, and I think from the fact the radiator is overheating due to the fan not kicking in, its the relay. - Jim
JA: Anything else you think the mechanic should know?
Customer: Nope, just looking to find the relay location on the fuse panel under the dash. - Jim
Submitted: 1 month ago.
Category: RV
Expert:  Wayne replied 1 month ago.

Hi I'm Wayne

I will help you with this

most times it is the coolant sensor,rather then a relay

follow the wire from the fan to the sensor and replace that

I hope this helped you

Hi. If this helped you,

please remember to rate my answer 3 or more stars.

If more info is needed, use the reply button -


Expert:  Wayne replied 1 month ago.


Just following up with you

did my answer help you

let me know ,Please


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