Ignitions and Electrical› Wiring Harnesses

ECUMaster

EMU/EMU Classic Plug-and-Play Adapter

$299.00

SKU: TUNE-02031

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The ECUMaster TUNE-02031 is a plug-and-play adapter designed for the 89-92 Toyota Supra 7MGTE with a manual transmission. This adapter facilitates the installation of the EMU or EMU CLASSIC standalone ECU. All ECUs are sold separately.
Show original supplier description
The ECUMaster TUNE-02031 is a plug-and-play adapter specifically designed to simplify the installation of ECUMaster EMU or EMU CLASSIC standalone ECUs in 1989-1992 Toyota Supras equipped with the 7MGTE engine and a manual transmission. This adapter ensures a direct connection, eliminating the need for complex wiring modifications. Please note that the standalone ECU itself is sold separately. The adapter includes installation instructions for a straightforward setup process. This product is compatible with a wide range of vehicles, including BMW 335i F30, Dodge Ram 5.9L Cummins ISB, Duramax 6.6L LB7 2003, Ford Mustang 5.0L V8, various GM LS and LT series engines, Honda Fit, K20, and K24, Mazda Miata models (ND, NC), Nissan VQ35 and VR38DETT, Subaru BRZ FA20 FRS, and Toyota 1JZ, 1UZ-FE, 2JZ families, and MR2 Turbo models.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandECUMaster
Part NumberTUNE-02031
CategoryIgnitions and Electrical
5,000+ Trusted brands
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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