Aux Temp Switch Bad? Aux fan running when cold.

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Aux Temp Switch Bad? Aux fan running when cold.

06-19-2001, 11:34 AM

Stevegman

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The other day the Aux fan came on when the temp read about 80 C. It is supposed to come on at 100 C. It went off but now when I turn the key, the Aux fan comes on when the motor is stone cold. I pulled the lead from the switch and it stops. Reconnected and the Aux fan runs all the time. I haven’t driven it since this problem came up.

Does it sound like the Aux Temp Sensor? Could it be anything else?

Thanks in advance for those who help.

Steve
’85 500SL Euro

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