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Hi Chris My fans did not turn on with AC, but did turn on at temp. I re-seated the old fan relay and it worked, then just decided it was time for a new one, no problems since. It might have just been a little corrosion at the connection, but I feel good with the new part....
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Did you find the relay? In my 1985 S3 RHD, it is the most outboard one in front of the windscreen fluid container. I just replaced the original 1984 Wherle with a 40 amp Hella. Try to get your fans running by jumping the two Otter switch wires. John
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What exactly does "prior to 85 MY" mean?
John Martin replied to John Martin's topic in Misc including parts cross references
Thanks.....10th char is F....so model year(MY) 85. I'll check the front brakes in the near future... John -
Radiator/Condenser fan operation
John Martin replied to John Martin's topic in Interior/Exterior/Lights/Glass/Alarms/ICE/HVAC
Thanks....I got the aerial switch figured out...it works! My car, 1985 RHD S3 N/A the relay is up near the left headlight. I replaced with a new Hella 40Amp. John -
Radiator/Condenser fan operation
John Martin replied to John Martin's topic in Interior/Exterior/Lights/Glass/Alarms/ICE/HVAC
Update...I found the fan relay (a vintage 1984 Wehrle from West Germany) and just re-seated it and seems to work as it should now. I think I'll replace it though with a nice new Hella relay. -
Radiator/Condenser fan operation
John Martin replied to John Martin's topic in Interior/Exterior/Lights/Glass/Alarms/ICE/HVAC
Thanks for the feedback....I ordered the hot climate switch and thermostat. John -
Radiator/Condenser fan operation
John Martin replied to John Martin's topic in Interior/Exterior/Lights/Glass/Alarms/ICE/HVAC
....I finally found the fan relay...buried below the windshield fluid reservoir. I'll check it out... Still, what about the diode, and cooler thermostat? Also considering the cooler Otter switch. Thanks -
Radiator/Condenser fan operation
John Martin replied to John Martin's topic in Interior/Exterior/Lights/Glass/Alarms/ICE/HVAC
OK....I've been digging around in my car (1985 Esprit S3). To summarize, all three fans kick in with the temp sensor, but they do not turn on when the AC is switched on. Actually, it is intermittent, every now and then the fans kick in with the AC... According to the Lotus Esprit Service Notes, page 457, the AC compressor relay should be under the dash below the steering wheel (RHD). No relay there, just some biggish box (wiper delay, I think), and some mystery switch, which is difficult to trace to where it goes, and doen't do anything noticeable. . Also, according to the wiring diagram -
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John Martin started following Radiator/Condenser fan operation
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What is normal operation of the three fans when the AC is turned on? I would expect the fan behind the condenser fans to come on when the AC is turned on. It does not come on and I get the Fan Fail light until the coolant gets hot enough then all three fans come on and the Fan Fail light extinguishes. 1985 Esprit N/A