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Quick question re-Rad Fan

 
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Old 08 Aug 2012, 05:26 pm
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Default Quick question re-Rad Fan

About to test my fan motor. As the car is nose down on a fairly steep driveway, I can't use a jack.
So I'm kinda doing it by feel...got the connector apart ok but not sure which side goes to the fan and which side goes to the loom.
Male to the fan motor or female?
I'm guessing the male as the female side can be pulled down into view.
Thanks in advance.
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Old 08 Aug 2012, 05:36 pm
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Smile Re: Quick question re-Rad Fan

I can't really answer the question, however from an electronics engineering perspective, the female end of an inline connector would normally be the one carrying the power, so that it cannot short against something accidentally when disconnected from it's male counterpart. So that would make the Fan the Male End and the Loom the Female End. Although, having experienced the crazy design of the PT so far, I would say that the chances are 50/50
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Old 08 Aug 2012, 07:05 pm
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Default Re: Quick question re-Rad Fan

Have someone get above the fan while they're standing in front of the car with the hood up. Look down at the fan and notice a wiring harness coming from it. Have the assistant wriggle it as you look from underneath.

Tim
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Old 08 Aug 2012, 07:07 pm
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Default Re: Quick question re-Rad Fan

Just reach down and find the harness from the fan itself and feel your way to the end. It only about 12 inches to the connection (or less). That's the end to test.
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Old 08 Aug 2012, 09:30 pm
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Default Re: Quick question re-Rad Fan

The end that's coming from the fan itself is the male end with 3 prongs within the harness.

For non-turbo PT's, the radiator fans are 2-speed whereas turbo models have a variable-speed fan.
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Old 08 Aug 2012, 10:47 pm
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Default Re: Quick question re-Rad Fan

Pictures always help! Here is the picture of the harness (not the fan side) As you can see, it is female. I use this as my test plug. I unplug the fan and connect this plug to the fan and use a 12v source.
BTW, I have an extra one if anyone needs (might be able to get more)
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File Type: jpg Fan harness.jpg (80.6 KB, 25 views)
File Type: jpg Fan harness 002.jpg (70.6 KB, 25 views)
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Old 10 Aug 2012, 04:32 pm
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Default Re: Quick question re-Rad Fan

Thanks for the replies guys.
Spannerhound, never really thought about it, but domestic plug sockets should've given me a clue. Makes perfect sense really.
My PT is showing 2 codes - First is the 'battery disconnected in last 50 starts' one and the other is the ' fault in low speed fan relay circuit' one.
The battery one is ok because the battery has been in and out like a fiddlers elbow!
The relays and fuses are all good so funnily enough I'm kinda hoping the fan is bad, because the only other thing in the circuit is the computer and I don't really want to go there.....
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Old 10 Aug 2012, 05:26 pm
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Smile Re: Quick question re-Rad Fan

I posted a quick 'n dirty test procedure for someone else recently with a fan issue, maybe it'll help you out too if you haven't already read it...

Replaced Radiator Fan Assembly - Still no fan movement
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Old 15 Aug 2012, 04:23 pm
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Default Re: Quick question re-Rad Fan

Quote:
Originally Posted by SpannerHound View Post
I posted a quick 'n dirty test procedure for someone else recently with a fan issue, maybe it'll help you out too if you haven't already read it...

Replaced Radiator Fan Assembly - Still no fan movement
Thanks for that mate....interesting stuff.

Anyway, after 15 minutes of scraping the skin off various parts of my forearms, ( not a lot of space in these engine compatments is there? ) I got the hump and pulled the fan out.





Tested the motor and the low speed was dead.
High speed was fine though.
I've ordered a new one today, I did consider pulling it apart and replacing the brushes but it's got 181,000 miles on it, so I think I'll treat the car to a shiny new one.
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Old 22 Aug 2012, 05:08 pm
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Default Re: Quick question re-Rad Fan

Well, no shiny new fan just yet. Ordered one online only to get my money refunded with the explanation 'not in stock or currently available'.
Irritating because I'd phoned them prior to ordering to make sure they had one...
That one would've cost 138.00
My local main dealer wants 310.00 (that ain't happening anytime soon)
Sooo...opened up the old one.



Can you guess which brushes are the low speed ones?



The hunt is now on for some suitable replacement brushes
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