Miata Chassis Harness

Pre orders are live!! Finalizing the last of the little details. Once you place your order. Keep an eye on your email for the questionnaire. Order should start mid June 2026

**Operational pop ups ** In any sleepy eye position you’d like!!

Plug and play for
– Headlights
– Front bumper lights
– Side bumper lights
– Brake pedal sensor
– Blinker & light stalk
– L.E.D blinker relay
– Fuel pump
– Tail light
– License plate lights
– 3rd brake light
– Rear bumper side lights

Import details *** We are unable to source the oem cluster connectors at this time, But we will continue to keep searching. We will offer flying leads. Which can be purposed to your oem cluster pigtails. if you should choice so.

For an additional fee, we can can also wire in
– Wipers. This functions off a rocker switch. The wiper will not park on its own. Plug and play
-Pop up headlight. For the pig, and shark nose front end, with flip up headlights. Plug and play
– 2 or 4 Door Window Harness
– An extra relay. Depending on your build requirements.
– Trigger switch
We do not wire engine harness, A.C, radio, speakers, oem cluster, heater, defrost, cruise control, or power locks. This is a basic function harness.
We can however leave a 12g flying lead(s). Receiving power from either ignition on, or a switch (depending on your build requirements) To activate extra circuits. For example, you could use it to power up a radio, or cig lighter, radar, after market heater box, underglow, ect. We only supply the power. (NOT TO BE USED FOR FANS. Will void warranty)
*Due to OEM battery placement. You will be required to source a battery junction block, or mount. This will be installed inside the cabin, in the passenger foot area.

We do not plug into, or wire the engine harness. We leave 20g flying leads for battery constant, key on, and a fuel pump signal (we need to know from you, if its a switched ground, or switched power signal), and a 12g starter signal.

Out of Country sales. Email us.

For Tefzel wire with Reychem loom options. Contact us for specific pricing.

The turn around time is about 5 – 8 weeks. From the time your payment is processed, until we begin building your custom Chassis Harness. Subject to change, without notice.

A refund can be issued, up until we begin building your custom Chassis Harness. Na Miata Chassis Harness refunds, is subject to a 15% processing fee. Of the retail value.

Email us as Sales@chassisharness.com if you have any questions. Or if you would like us to send you our Na Miata Chassis Harness Questionnaire.