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Re: A/C question..When you get in your 7 FollowUp (archive)

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Posted by WTH on April 17, 2002 at 00:57:30:

In Reply to: A/C question..When you get in your 7 when it is... posted by Brian-Charlotte on April 15, 2002 at 15:13:09:


I have just updated my AC control-IHKA (Ebay ~$200) to the rocker (instead of thumbwheel) fan speed control type (no max cool botton).

Now that weather is warming, I've noticed that, while in "full" auto mode and temp set to 68, the fan speed does start at faster speed, decreasing as interior cools. My limited experience w/this has been that stabilized auto fan speed shows 5 bars lit. When starting w/ warm interior, fan speed bars go up noticeably, maybe 3 or 4 additional bars; returning to 5 bars when stable temp is reached.

When heat really starts on Atlanta, I'll see if this changes.

BTW - anyone here who is planning to do this upgrade - make sure the IHKA is properly "coded" to your vehicle's make date. My new one worked fine in every respect on initial receipt - but failed to trigger AC compressor clutch. I was fortunate that the seller 1. was aware of this posibility, 2. had access to coding firmware and hardware, and 3. was willing to code the IHKA properly for my 740.


hot outside, does your a/c fan blow "full blast" when on "auto". I have to turn the temp down to 60-65 and turn the fan on high (turning off the "auto" setting).

Does anyone else have the problem?

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