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EF Thermo fan - signal wires? 


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 Post subject: EF Thermo fan - signal wires?
Posted: Thu Jun 24, 2010 10:28 pm 
Parts Gopher

Age: 37

Posts: 87

Joined: 7th Sep 2009

Location: melbourne
VIC, Australia

Just wiring up the EF thermofans.
Drew a rough circuit diagram.

There is a siganl wire for each relay from the ecu.
Two signal wires are the same colour, dark blue, shown thick in the pic... Generally when wires are the same colour they do the same job
Does the ecu trigger both these relays simultaneously? doubt it.
IMG_1750.jpg [ 39.9 KiB | Viewed 47 times ]



Any man over the age of 26 that drives a car of less than 8 cylinders with a 0-100kph time greater than 7 seconds must consider himself a failure.

 Post subject: Re: EF Thermo fan - signal wires?
Posted: Sat Jun 26, 2010 11:19 pm 
Stock as a Rock

Age: 32

Posts: 128

Joined: 10th Oct 2005

Ride: turbo ef falcon

Location: canberra
ACT, Australia

that diagram looks like it would have the far left relay pull in for both thermos in series and probably low speed, second and third relays pulled in gives full power to both motors but the top one is missing an earth so it would do nothing, is the diagram correct? the fourth relay switches an earth to nothing. im not sure what to make of it. I'll get a copy of the ford wiring diagram on monday and let you know what's doing if no-ones answered you by then.



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