USDM OBD1 PWM Boost Control Kit
Add boost control functionality to your OBD1 Honda/Acura ECU with our DIY PWM Boost Control Kit. This kit provides the components needed to enable a PWM output on the A11 pin, allowing you to control a 3‑port MAC valve directly from the ECU, commonly referred to as “Boost by Gear.” Perfect for enthusiasts looking to integrate boost control into their factory ECU setup.
Included in the Kit
- 3055T NPN transistor
- 1N4002 diode
- 220Ω resistor
- 330Ω resistor
- PNP transistor
- ECU harness pin for A11
- Installation guide
Notes
- Compatible with 1992–1995 OBD1 Honda/Acura ECUs (P28, P30, P06, etc.)
- Requires installation and tuning via compatible software to enable boost control
- Designed for use with a standard 3‑port MAC valve (sold separately)
- Installation requires soldering and basic electronics knowledge
- Professional installation is recommended for those unfamiliar with ECU modification
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
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