2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Unknown Sensor

Old Sep 28, 2025 | 12:37 PM
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Dstiedeman's Avatar
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From: El Dorado HIlls
Unknown Sensor

I’ve been rebuilding my 1991 Rx-7 N/A and after rebuilding the engine and putting everything back together I found this unplugged sensor and don’t know what it goes to. Any ideas?
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Old Sep 28, 2025 | 12:47 PM
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From: in the swamp
from memory it is an auxiliary fan switch that is unused. might have been an automatic equipped vehicle option, either way i don't recall them used for most any vehicles that ever came into the shop.
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Old Sep 28, 2025 | 01:09 PM
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From: El Dorado HIlls
thanks!


Originally Posted by notanymore
from memory it is an auxiliary fan switch that is unused. might have been an automatic equipped vehicle option, either way i don't recall them used for most any vehicles that ever came into the shop.
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Old Sep 29, 2025 | 11:21 PM
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From: Montgomery, TX
Correct. They are fans to cool the condenser for air conditioning while sitting at low speeds. Found on turbo models I believe. Little finger chopper that goes up front.
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