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Re: External Temp Sensor vs A/C - 1999 Buick Park Avenue Ultra
It was still doing it after about 30 ignition cycles. Then one day as I pulled off of the highway onto a side road Friday, it dropped to -39°F and stayed there. Since it stayed there, the heat kicked on. I wasn't about to put up with that since I had some miles to drive Sunday, so I checked Sunday morning and it was still at -39°F. I went to unhook the sensor so I could at least sort of have A/C, and I noticed that the wires were loose (clamp had come off and wind was probably blowing them around). I clamped them back onto the bottom of the vertical brace, routed them behind a piece of plastic that looked like that's what it was before, and pulled them tight. Temperature has been right (as far as I know, climate control hasn't been goofy) for over 200 miles now. I think the wires probably broke once it came loose since they were likely quite brittle being 9.5 years old and all (born April 99). Pulling them back how they have always been (albeit tighter than I prefer to bend/pull a wire coming out of the back of the plug) seems to have worked, though I wouldn't call it fixed so much as functional.
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