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11-09-2011
Have 3100 and the coolings don't operate. Jumped the harness by the sensor and fan come on for a second and then kick off. Disconnected both fans and put a test light in both fan motor harness connectors, same result fans should be OK. Replaced the relays - same problem. Harness by the sensor plug in doesn't look the best and goes underneath the intake so I don't know the condition. Any thoughts on why the fans won't operate?
11-09-2011
Coolant temp sensor?
Originally Posted by W-Body Store
11-09-2011
I jumped the two wire sensor by the thermostat. Shouldn't the fans start running when that is done?
11-10-2011
Can anyone give me any info on the wiring of the temp sensor thru the relays to the fan?
11-10-2011
those things arnt connected the computer is between them
11-10-2011
OK - thats what I was trying to get at. Maybe a I have a ECU problem?
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