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Originally Posted by radunegru
I am talking about going to 105 fan start in the second stage, cools down to 90 ang again and again the temp does not stabilize at 90 like used to be.
OK
That means you have high fan , which is coolant temp sensed... so, my suspect is you have a bad thermostat or coolant problem...
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That is correct .. there are 2 completely different circuits . The low fan uses a dropping resistor that I mentioned in my last post.. that , or the connections at it are suspect for that circuit.
The ONLY part that is common to these two circuits is the share the same fan motors.. other than that , they have seperate relays and fuses, along with sensors.
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You measure their draw with an amp meter.
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Thanks for prompt response. |
Larger than you have there now , preferably stranded copper.
Check the resistor circuit before u do anything , as that is the common weak link in the low fan circuit.
Also, be aware that the low fan is only energized when the a/c is on . that is what it is there for and is tripped by the a/c high side pressure switch... nothing to do with your coolant temp.