YOUR RESEARCHRelay for switching air to defrost
1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.
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1 matching discussions · 3 captured posts examined · 1 partial discussions
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
3 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
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Generation: 20261027T033922Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I have a 987.1 cayman S that I've converted to a race car. The head unit has been removed, and I'm trying to figure out where the relay is to direct the air to the windshield. Now when I turn the blower motor on it directs air at the floor. I just need to get it moved to the windshield so if racing in rainy conditions I will be able to defrost the windshield. Any help would be greatly appreciated.
There are mechanical doors that divert the air to floor/face/windshield. If you've removed the HVAC controller, you'll need to dig into the dash to physically secure the doors in the position you desire.
If you have removed the HVAC controller - hopefully the wiring is still there - it might be worth reinstalling it for a few minutes and use it to switch the HVAC flaps over to defrost - then remove it again. I don't think aside from getting into the HVAC box manually that there is any simple way to make that change.
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