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DIYAutoTune AXM Single Channel Ignition Modules

The AXM-150 Single Channel ignition modules are the single-channel version of DIYAutoTune's proven 4-channel QuadSpark. They're purpose-built to drive one high-current ignition coil from a 5 V logic-level ECU ignition output, ideal for conventional distributor setups. One major benefit of the AXM-150 is that it allows users to bypass the OEM ignition module, giving the ECU full control over dwell and spark duration. * The AXM-150 is a perfect fit for MS3Pro Mini users running a single dumb coil with a distributor-based ignition system * Common use cases: -- Single coil distributor applications * Technical details: -- Pins 1 and/or 4: Ground (typically cylinder head) -- Pin 2: Logic ignition signal from ECU (Yellow Spark A wire on MS3Pro) -- Pin 3: Connects to coil negative terminal

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