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Firstech T-Harness for Select 2013-Up Mazda, Toyota, Scion, and Fiat Vehicles - ADS-THR-MA3
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Abt Model: ADSTHRMA3
UPC: 627780005225
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Firstech ADS-THR-MA3 T-Harness for Select 2013-Up Mazda, Toyota, Scion, and Fiat Vehicles
Factory fit installation ‘T’-harness for select push-to-start Mazda models from 2013 and up. Plugs directly into vehicle factory connectors with little-to-no analog connections required. Compatible with select iDatastart, Firstech, Flashlogic, Omegalink and Orbit branded remote start systems.
Features
Compatibility
- Mazda
- 3 Push-to-Start Sedan Automatic (2014-2018)
- 3 Push-to-Start Hatchback Automatic (2014-2018)
- 6 Push-to-Start Automatic (2014-2021)
- CX-3 Push-to-Start Automatic (2016-2022)
- CX-5 Push-to-Start Automatic (2013-2024)
- CX-9 Push-to-Start Automatic (2016-2023)
- MX-5 Push-to-Start Automatic (2016-2023)
- Toyota
- Yaris Push-to-Start Automatic (2020)
- Yaris Push-to-Start Sedan Automatic (2016-2019)
- Yaris iA Push-to-Start Automatic (2017-2018)
- Scion
- iA Push-to-Start Automatic (2016)
- Fiat
- 124 Spider Push-to-Start Automatic (2017)
California customers:
General
Color
Black
Type
Car Harness
Compatibility
Select 2013-Up Mazda, Toyota, Scion, and Fiat
In the Box
1 x T-Harness
Warranty Information
Parts Warranty
1 Year Limited
Labor Warranty
1 Year Limited
Approximate Weight
Package Weight (lbs)
1
Approximate Dimensions
Package Size HxWxL (in)
2 x 5 x 12
Articles
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Frequently Asked Questions
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This harness is compatible with select 2013 and newer push-to-start Mazda, Toyota, Scion, and Fiat vehicles including models like Mazda 3, 6, CX-3, CX-5, CX-9, MX-5, Toyota Yaris, Scion iA, and Fiat 124 Spider within specified year ranges.
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Yes, it supports select remote start systems including iDatastart, Firstech, Flashlogic, Omegalink, and Orbit branded systems, enabling seamless integration with your vehicle's factory connectors.
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Yes, the harness features a plug-and-play design that connects directly to your vehicle’s factory connectors, requiring little to no analog connections and simplifying installation.
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A 1 year limited parts and labor warranty is included, covering manufacturing defects and ensuring product reliability for one year from the date of purchase.
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The harness weighs approximately 1 pound with a shipping weight of 2 pounds, and the package dimensions are approximately 12 inches deep, 5 inches wide, and 2 inches high.
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Firstech T-Harness for Select 2013-Up Mazda, Toyota, Scion, and Fiat Vehicles

Firstech T-Harness for Select 2013-Up Mazda, Toyota, Scion, and Fiat Vehicles