Quote:
Originally Posted by lsmalley
Just put +12v to the fan and see if they actually work for starters. You may be unnecessarily digging around.
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I've done all the tests mentioned in this thread. Put 12v from battery to one end of the resistor ballast behind left headlight, the fans fire at high speed. This resister has been bypassed with a wire by the previous owner. I then put 12v on the other end, fans DON'T come on. This confirmed that my low-side circuit is fine.
Hence, I'm only interested in fixing my high-side circuit. That's what I was testing when I took the connector of the blue aux fan thermistor off. Been reading that this should turn the Fans ON at high speed if the circuit is fine. But they don't on mine. I can hear the relay click though.
I went further and tested resistance. On the blue aux fan thermistor at 80 Celcius, it reports 607 Ohms. No idea if that's within spec.
Tmrw I'll dissemble some things and inspect the wiring.
07-06-2023, 04:24 PM
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