AEM 12 Position Universal Trim Pot

AEM 12 Position Universal Trim Pot (30-2056) | Multi-Map ECU Switch

Adjust boost, fuel trims, and traction control on the fly with the AEM 12 Position Universal Trim Pot. Weatherproof body with 330° rotation for precision tuning.

The AEM 12 Position Universal Trim Pot (Part # 30-2056) is a versatile driver-input potentiometer engineered to deliver instant manual control over custom engine parameters. Built with a robust, over-molded weatherproof body and 12-inch color-coded flying leads, this 0–5V analog switch integrates easily with virtually any standalone ECU or engine management system (EMS).

Featuring a 330° degree sweep and smooth detents across 12 distinct positions, it provides clear tactile feedback for on-the-fly tuning. Each kit comes equipped with custom knob decals and brushed silver faceplate decals (ranging from -5 to +6 and 0 to +11), allowing racers and tuners to customize switch labels to match their setup.

Best Uses

1. Multi-Stage Boost Control: Quickly select between target boost pressures or wastegate duty cycle maps based on fuel octane or track conditions.
2. Traction Control Adjustments: Change slip-percentage thresholds instantly on launch or while negotiating varying surface grips.
3. Fuel & Ignition Trim Adjustment: Fine-tune main fuel pulse width or ignition timing in real-time.
4. Selectable ECU Maps: Switch between up to 12 different operational modes, valet limits, or launch control rpm settings.

Features

1. 12 Detent Positions: Delivers 12 discrete steps across a 330° rotation for accurate, repeatable selections.
2. Weatherproof Construction: Features an over-molded protective body suitable for motorsport environments.
3. Universal 0–5V Signal: Powered by a 5 Vdc supply voltage with a 14.3 kΩ total resistance, compatible with almost all ECU analog inputs.
4. Color-Coded Flying Leads: Includes 12-inch pre-wired leads (Red for 5V supply, Black for ground, White for signal output) for straightforward wiring.
5. Complete Decal & Hardware Kit: Comes with a 1/2" hex jam nut, 1/16" Allen knob set screw, and multiple brushed silver decal options (-5/+6 and 0/+11).

Benefits

1. In-Cockpit Adjustments: Change performance maps or safety parameters on the fly without needing a laptop connected.
2. Wide ECU Compatibility: Works with AEM EMS, Haltech, MoTeC, Link, MaxECU, and other aftermarket engine control units.
3. Long-Term Reliability: Rated for a 10,000-cycle minimum mechanical life, ensuring durable performance during frequent adjustments.
4. Customizable Dashboard Look: Includes multiple colored logo overlays and clear position indicators for a clean, OEM-style dashboard installation.
5. Error-Free Calibration: Distinct step detents make it easy to feel each position selection by hand while driving.