69 442 Heater fan stays on

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December 29th, 2021, 06:31 AM

Crimson@69442

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Posts: 66

69 442 Heater fan stays on

My heater fan stays on when the selector is all the way left in the off position. With the key in accessory the fan runs and drains the battery quickly. Is this and issue with the heater/AC control unit or something else?
Thanks,
Mike

December 29th, 2021, 07:57 AM

matt69olds

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Location: central Indiana

Posts: 5,273

Most likely the high blower relay is stuck on. Will the blower motor change speeds with the dash switch?

December 29th, 2021, 11:46 AM

Crimson@69442

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Yes, the blower changes speeds with the switch. Is this relay under the dash ?

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