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Reload this Page External temp sensor help needed!!!???
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Old 26-01-14, 09:31 PM   #51
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External temp sensor help needed!!!???
It will either be the fan or the transistor.

When I had mine on the final 3 max settings, the fan started to stutter. I think it eventually blew my transistor.

Fitted new transistor and it did the same thing with the fan stuttering. It turned out the fan is broken even though it still spins. Put a different fan on and the whole system works fine.

My problem it all started with a dodgy fan and it led to a bigger problem.
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Old 26-01-14, 09:32 PM   #52
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If you have a multimeter, do the same checks that Ron has done on the fan connector, it's in his atc thread.
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Old 26-01-14, 09:35 PM   #53
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Quote:
Originally Posted by petet16 View Post
If you have a multimeter, do the same checks that Ron has done on the fan connector, it's in his atc thread.

Pete when I receive this new fan, I think I will check the resistance on that one. Remember both my other 2 fans only gave me 2ohms so will be interesting to see what the new fan gives.
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Old 26-01-14, 09:41 PM   #54
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It should give a good number to compare against, 2 ohms didn't sound too bad, but it should maybe a lot less.
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Old 26-01-14, 11:02 PM   #55
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Quote:
Originally Posted by jonnybriggs69 View Post
Thanks Smokey - good man. Is it near the battery?
Did you sort the external sensor? In addition to what smokey added, I had the bumper off today and noticed one of my pics caught the full route of the external sensor loom.

It runs out the headlight cavity (under the headlight) and drops down, vertically, behind the crash bar and towards the fog light.



It's been moved out of the way in the pic.
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Old 28-01-14, 09:25 PM   #56
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Originally Posted by petet16 View Post
It should give a good number to compare against, 2 ohms didn't sound too bad, but it should maybe a lot less.

Well received the new fan and it gave me 1.5 ohms.
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Old 28-01-14, 09:31 PM   #57
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0.5 of an ohm must make a big difference, assuming the new fan works at all speeds.
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Old 28-01-14, 10:05 PM   #58
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Originally Posted by petet16 View Post
0.5 of an ohm must make a big difference, assuming the new fan works at all speeds.

Yup it's all working fine now at all speeds.
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Old 28-01-14, 10:18 PM   #59
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Excellent, so now we know, any more than 1.5 ohms resistance on the motor is bad news.
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Old 29-01-14, 12:06 AM   #60
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Looks like an issue resolve. Great work mate! (Should help others with similar issues!)
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