1999 Cadillac DeVille "fan relays" Questions

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Question about Cadillac DeVille

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...fan relays in the fuse block under the hood. The fan relays above are numbered 37,39 and 40 Relay 37 is RH fan Relays 39 and 40 are LH fan. You can check if your fans are working by switching on the ...

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...for the fan relays - there are 3 relays: Fan 1, Fan 2, and S/P (series/parallel): the fans are relay set to series operation (voltage drop) for Slow speed, parallel operation (full voltage) for

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Question about Cadillac DeVille

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WHAT CAUSES A P0481 FAN#2 most likely a bad fan motor or an open circuit. Faulty fan control relay - Faulty cooling fan - Fan control relay harness is open or shorted - Fan control relay circuit poor ...

...RELAYS LOCATED? Engine Cooling Fan Relay 1 In the center front of the engine compartment, on the lower radiator support, near the cooling fans Engine Cooling Fan Relay 2 In the center front of the ...

...fan relays on a 92 seville 4.9l. Because when the car is running the fans will come on at all. When I turn the car on the on the fans still will come on at all. And temp will go up to 225 degrees and ...

Question about Cadillac DeVille

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...intermittently. The technician discovered that the fans would work intermittently when the fan relays (3 of them) were shook. I guess the heat got to them over the years. Good luck on this

coolin fans wont run without runnin a jumper directly to battery Could be the cooling fan relay, the fuse, the sensor which triggers the cooling fan relay, or the wiring connections which join it all ...

Question about Cadillac DeVille

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...fan relays 1986 caddy sedan deville, small coolant fan stays on, large fan wont run, there is power to the plug so put on new motor,no luck. changed relay located on driver side still no luck were r ...

Question about Cadillac DeVille

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...relays are connected to the fan wiring or near the fans themselves. Check fuse, relay, and temp sensor. Its not always the relays that goes bad in the first place so please check the sensors first ...

Question about Cadillac DeVille

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...still overheating. Discussed the problem with a local shadetree mechanic and was told it might be Fan Relay Swith. Also fans aren't turning on even when temp. starts to rise, so I just purchased

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