Thanks for that, Pat
I'd considered the EL fan override thing myself due to towing a laden
trailer up steep & slow mountain roads: I didn't like how the temp gauge was
climbing, & seem to remember the fans kicking in only when it seemed too
hot already.
Rob
"Patman" <patsproule@oz.com.au> wrote in message
news:t8kyd.453$sg5.7605@nnrp1.ozemail.com.au...
> They don't have 3 rotational speeds as such, but 3 stages. But that's on
> the EL. I have a suspicion that the EF only has 2 stages.
>
> The computer can drive them in 3 ways - Passenger fan only @ 12v (full),
> Passenger and Driver side fans wired in series for 6v each or roughly half
> speed, and Passenger and Driver fans in parallel for 12v each or both on
> full.
>
> With the air con on and the interior fan set to boost it should run both
> fans on full. At all other times they are dependant on coolant temp and
> ambient air temp, but I can tell you that it takes a fair way up the gauge
> to reach the full on stage.
>
> I used to have problem with my EL wagon (6 cyl) towing our ski boat up the
> hills around Tumut. Once the temp gauge started to climb and the fans
> finally kicked in they didn't have the flow to bring the temp back down
> quick enough. We're talking steep hills, 1500kg of boat and ambient temps
> of 35 to 40. I had the cooling system fully checked but in the end it came
> down to the factory settings for engaging the fans were too high for the
> sort of work I had it doing. I ended up adding two fan override switches -
> Switch one on for low and two on for high. I would switch it on at the
> base of the mountains and never had a problem again.
>
> They were easy to install - I just tapped into the loom off the computer
> and wired the switches to take those lines to ground. I cant tell you the
> pinouts on the EF as it uses the different computer. Try fordforums.com
>
> Hope that helps - Pat.
>
> P.S. - check the base ignition timing - too much retard can cause it.
>
>
> "The Interceptor" <thisemailadress@willnotwork.com.au> wrote in message
> news:1103726621.408726@quartz.westnet.net.au...
>>I have a suspicion my thermo fans aren't working properly on my EF XR8.
>> I've learnt tonight that the fans are multi speed (2 speed for drivers
>> side,
>> 3 speed for passengers side according to the manual). I know that my
>> fans
>> are at least turning, but I don't know if they are picking up the higher
>> speeds. I've checked the 4 relays associated with the fan control and
>> they
>> are all fine.
>>
>> I'm thinking of borrowing a photo-tacho from work to check the speeds.
>> But
>> even if I do find the high speed is not kicking in, can anyone suggest a
>> possible cause, given that the relays are healthy?
>>
>> Brett
>>
>>
>
>