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[keeko]

Would I be right in saying the electric fan on my XJ only runs when the demister or AC is on? And if so, if my demister / blower is not working my electric fan wont run?
  Am I half right or am I talking shite?  :oops:

 Its just that I haven`t heard my electric fan since my blower has been knackered. (I`m waiting on a new resistor coming)

[BK]

Do you mean the leccy fan under the bonnet next to the viscous fan? cos if you do, mine only runs when the engine is hot!!.....if I turn my demister on the leccy fan does not run,are you talking about the heater blower?

[keeko]

Yes the electric fan next to the viscous. It used to run in `cycles` ie every minute or so regardless of whether my Jeep was hot or cold. My last 2 XJs were the same. Its just that it hasn`t came on since my blower (on the inside for demisting and heating) has stopped working.
  I have another post about this and a new resistor similar to this one has been ordered

 ( http://cgi.ebay.com/ebaymotors/Jeep-Wra ... enameZWDVW )

 The above will sort my heater blower but I`m trying to find out why my electric fan isn`t running as it should as I know they`re connected in some way.

[BK]

mine must be different then cos it only runs when engine gets really hot(like a kenlowe on a discovery) but obviously the viscous runs all the time,yours must be different to mine some how

[garyf]

mine must be different then cos it only runs when engine gets really hot(like a kenlowe on a discovery) but obviously the viscous runs all the time,yours must be different to mine some how

Should run as BK says when engine gets really warm and also when air con is switched on

[keeko]

Fuses look ok, but havent changed the relay. Doesn`t come on when AC is on. Any ideas? Could it be because my rheostat (blower resistor) is unplugged as I`m waiting on a new one?

[Mike Pavelin]

Does the A/C actually work? It'll only run the fan if the compressor kicks in.

[keeko]

As far as i`m aware the AC is ok (not that I need it in Scotland) and did blow cold air. The actual heater blower itself (which has packed in), doesn`t blow except on full speed which ive learned runs straight from the battery. Thats why ive ordered the resistor. I`ve had no electric fan since this happened.  

 I know its not a major mechanical disaster but I have a 600 mile round trip in a fortnight and don`t fancy only having one fan. I`m just hoping when I stick the new rheostat in, my fan works again.