radiator fan won't comw on
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1996 Dodge Caravan Question: p1491 code
Answer #1pushrod April 11, 2014, 18:16Master
Relay, or it's circuit, problem most likely.!
Answer #2robertgrove from WeGo2U Mobile Mechanic, April 12, 2014, 13:57Technician
If the fans are not coming it could be as simple as a bad fuse. the fans go bad also. The relay rarely fails but they do sometimes.
In the fuse box, look for a 40amp fuse (fuse #4) replace it if it is bad, if it blows again then one of the fans is shorted or there is a short in the wiring.
A simple way to check the relay is to swap it with a different relay in the fuse box (of the same type)
Hope this helps...