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Old 01-29-2019, 09:18 AM
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Diseasel300 Diseasel300 is offline
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Join Date: May 2016
Location: Texas Hill Country
Posts: 4,419
It affects all cars with the ACCII climate control system. 1980/81-1985. It's due to a design flaw in the pushbutton unit itself. The traces are not heavy enough to carry locked-rotor current to the pump and can overheat to the point that it damages the pushbutton circuit card, or if you're really unlucky, cause a fire. An inline fuse in the positive lead to the motor is cheap insurance.
'11 Honda Accord EX - "The Daily" 64K
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'86 300SDL - "The Diseasel" 189K (Totaled 1/31/19)
The Diseasel Thread - Everything You Didn't Know You Wanted To Know
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