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Wiring the Spal brushless fan might seem like a daunting task, but with the right instructions, it can be a straightforward process. The first step is to gather all the necessary tools, including wire crimpers, electrical tape, and a soldering iron.
The wiring of a DC brushless fan involves connecting the fan’s power supply and control signals correctly. The power supply typically consists of two wires – a positive wire (often red) and a negative wire (often black).
Aug 10, 2020 · A relay is not required. I initially wired power directly from the battery per the included instructions, but that led to a reading of +30 on the ammeter when the fan was activated. Charging w/ fan running was in the 13.8 to 14.2V range so VR and alternator were working correctly.
You will need a Spal brushless fan, a wiring harness, a relay, a fuse holder, fuses, wire connectors, and electrical tape. It’s also a good idea to have a wiring diagram specific to your fan model to ensure proper connections.
You’ve successfully wired a DC brushless fan. If it doesn’t, double-check your connections and consult the wiring diagram to troubleshoot any issues. Following these steps will help you confidently wire a DC brushless fan and ensure its correct operation.
Mar 1, 2023 · I got a harness and relay kit from CE Auto Electric to power my dual 11 inch Spal fans. Very nice kit. I use this one here: 70A Dual Fan Relay Kit – EFI Applications, Negative Trigger.
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Spal's brushless fans cannot be activated with a traditional relay/switch setup. The fans will require a negative PWM input. If this is not something your fan controller or ECM can provide please order Spal's wiring kit with your DIY kit.
