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Ceramic resistor on radiator fan?

 
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Old 21 Nov 2009, 10:53 pm
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Default Ceramic resistor on radiator fan?

I have an '05 Ltd Ed Turbo (lite). I just replaced the rad and fan. New fan unit (aftermarket) did not come with a pigtail to go from fender to fan motor. The orginal fan had an oval shaped piece bolted to the fan. Is this a resistor?

Next question... I decided to use the pigtail/resistor (if that's what it is) to connect the new fan. The fan doesn't want to come on. While driving, the temp is normal (half way point). But when sitting, the temp begins to creep up. I turn it off before it gets to the next line above half. When I checked the fan wiring, I found that the green wire burnt and seperated.

How do I go about testing the fan to make sure it is good? I didn't check it before installing.
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Old 22 Nov 2009, 03:09 pm
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Default Re: Ceramic resistor on radiator fan?

Or, is this just a heat sink?
Also, is there a difference between the fan for a Turbo vs. the other models?
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Old 03 Dec 2009, 12:41 am
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Default Re: Ceramic resistor on radiator fan?

No one?

I fixed the wires and temp now stays at normal. But I still don't hear the fan turning on.

Any clue how to test three wires from fender harness?
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Old 03 Dec 2009, 01:47 pm
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Default Re: Ceramic resistor on radiator fan?

Sorry, I don't know - and it would semm I'm not alone.....
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Old 03 Dec 2009, 01:58 pm
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Default Re: Ceramic resistor on radiator fan?

I do know things are different on the Turbo. There isn't actually two speeds on the Turbo model (as I read somewhere). Unlike the non-turbo, the fan is variable and speeds up to the high speed gradually, not just jump to high speed. The wiring is different and I believe the radiator itself is bigger on the turbo model.
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Old 03 Dec 2009, 02:10 pm
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Default Re: Ceramic resistor on radiator fan?

Turbo definitely takes more coolant - right in the owner's manual - so radiator has to be bigger.
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Old 05 Dec 2009, 12:40 pm
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Default Re: Ceramic resistor on radiator fan?

Quote:
Unlike the non-turbo, the fan is variable...
Both my old and new fan have the same connection at the motor, just a two wire plug. It's my understanding that the "variable" part of the equation is handled before power is sent to the fan via the PCM.

Quote:
Turbo definitely takes more coolant - right in the owner's manual - so radiator has to be bigger.
I could see maybe the GT Turbo version maybe taking more because of the different engine design.

That's really strange though. The repair manual (page 0_5 in Lubrication & Maint) says that 1.6L, 2.0L, and 2.4L engines all use 6.2L (~6.5qts.) of coolant. Only the Diesel is listed at more.

I guess I'll have to get my hands on a Powertrain Diagnostic Manual to find out how to test this.
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Old 05 Dec 2009, 07:00 pm
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Default Re: Ceramic resistor on radiator fan?

Quote:
Originally Posted by NIL8r View Post

That's really strange though. The repair manual (page 0_5 in Lubrication & Maint) says that 1.6L, 2.0L, and 2.4L engines all use 6.2L (~6.5qts.) of coolant. Only the Diesel is listed at more.

I guess I'll have to get my hands on a Powertrain Diagnostic Manual to find out how to test this.
you made me go out and grab my owner's manual - P 312 - fluids and capacities -
cooling system: Turbo 8.1 Qts, non-turbo 6.5 qts.

What are you reading that lists other engines? Haynes?
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nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge."
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'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler. Mods: E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar.
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Old 13 Dec 2009, 11:34 pm
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Default Re: Ceramic resistor on radiator fan?

Quote:
Originally Posted by quicksilverdon View Post
you made me go out and grab my owner's manual - P 312 - fluids and capacities -
cooling system: Turbo 8.1 Qts, non-turbo 6.5 qts.

What are you reading that lists other engines? Haynes?
The shop manual posted in the tech forum.
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