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Registered
Join Date: Feb 2025
Posts: 4
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2005 Boxster S cooling fan will not turn off.
2005 Boxster S driver's side cooling fan will not turn off.
Retired General Motors electrician with background in electronics. Working on a friend's Boxster. Searched threads here but couldn't find an answer. Had to disconnect battery to stop fan. After tracing wire back, found fuse block under hood on passenger side fender wall; pulled supply wire (12 GA red) to kill fan #2. It originates from firewall bundle so I assume it goes to relay bank. Pulled all relays (driver's side foot well, trunk relay carrier) but still hot. We know FAN #1 is a different animal with it's own control unit. Does the DME control it? What are we missing? Thank you. Last edited by Bruizerman; 02-14-2025 at 12:15 PM.. |
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02-14-2025, 12:12 PM
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Registered
Join Date: Feb 2025
Posts: 4
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Discovered that the Fan Control Module in the R wheel well also powers FAN #2 in the L wheel well.
The wire goes back through the wheel well, along the fender, into the dash, back through the firewall all the way to the L wheel well and powers FAN #2. Wow. Ordered a new module. |
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02-14-2025, 02:27 PM
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