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Focus Mk1 1.8 Rad Fans Not Working

tommydj70
tommydj70
in Ford Focus Club

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ok this is what I have checked so far,

checked fans are working, wired directly to battery this is fine,

the fans do not work when engine gets up to temp,

the fans do not work when I have the engine running and the air con on. apparently they should be on regardless of temp if the air con is switch on is this correct,

I have checks all fuses,

I found my way to the relays. I haven't replaced relays yet there are two located in the engine bay fuse box,

I took one of the relays out and hot wired pin 3 and 5 in the box and the fans come on

this relays was one nearest front of the car,

i left the relay located nearest the front of the car out, i then removed the second relay and did the same shorted out pin 3 and 4 on the fuse box and the fans come on again,

i cant see two relays being faulty but i will change them 2moro just incase,

there must be something before these relays that tell the relays to click over the activate the fan im guessing the one of the relays is from the air con and the other relays is information from temp sensor were ever this is located yet to find,

has anyone had this problem please don't tell me its ecu fault

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