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Old 01-01-2010, 01:42 PM
Footstomper
 

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pusher fan with probe sensor and sender too?

I bought a flex fan with relay, probe to be inserted into the water jacket. I have a 500 cadillac, but I do not have a temperature sender to the dash gauge. The intake is now a eldebrock aluminum, and no place for the temp sender. I have the fan wiring complete, except pulling a plug on the driver front of the block. The question is, can that probe use as a sender and dash guage at the same time? Why not?

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Old 01-01-2010, 02:12 PM
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Quote:
Originally Posted by Footstomper
....can that probe use as a sender and dash guage at the same time? Why not?
No it can't.

Because the gauge needs a sender that varies the signal as the temperature changes - sort of like a dimmer switch. But the temp probe for the radiator fan is a simple on-off switch.


Hope this helps...
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Old 01-01-2010, 03:39 PM
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Temperature probe is a changing resistance sensor. As the temp goes up the electrical resistance changes. The fan sensor as explained is simply an on -off switch.

Vince
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Old 01-01-2010, 04:08 PM
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Now, is the time to go to LOWEs.

I finally pulled a 3/8" plug on the front of the block (drivers' side), I will need an adapter to insert the probe sensor. If I can pull the 2" plug 6" away from the other plug. I will put a flathead temperature and oil sensors with adapters. My gauges are 12V, they are 1940.
I appreciate your experience, it is somewhat like a rheostat. I am going as you say.
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