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V8 Miata Wiring, Electrical, and ECUs v8 conversions on a Miata can be tricky. Post your comments or questions within with regards to swap wiring and electrical.

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Old 07-05-2017, 08:20 AM   #1
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Default Constant and switched power-engine bay

Is there a preferred location to pick up constant and switched power in the engine bay of an NA?

Thanks for any pointers....

Joe
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Old 07-05-2017, 04:13 PM   #2
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Go to Flyin Miata and download their installation instructions.
They have a specific section on tying into the various wiring connections.
It seems to be correct as I used their instructions and it works great for mine.
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Old 07-05-2017, 04:55 PM   #3
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Thanks for the tip! I just ran the constant power source all the way back to the battery but am still looking for a preferred location to pick up switched power in the engine bay. I'll check out FM....thanks again,

Joe
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Old 08-26-2017, 07:25 PM   #4
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Use any white/red keyed hot wire to throw a relay that sends power from your constant hot source. Using a relay eliminates the danger of overloading the original wiring. A good constant hot source is the M6 bolt on the main fuse in the fuse box.

-Jason
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