Description
Comparison points and tradeoffs
When comparing Msd Digital 6M-3L Marine Ignition with other Control Units options, use this source-backed detail as the primary discriminator: Category: Replacement Parts / Ignition Parts / Control Units.
Use this second fact to evaluate the tradeoff: Large, easy to read LED display. A third point to compare across alternatives is: The 6M-3L is a capacitive discharge ignition that multi-sparks from idle to 3,000 RPM providing a clean idle and quick throttle response.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
We’ve raised the bar and added a UL listed marine ignition box to our lineup. The 6M-3L is a fully sealed unit with a single wiring connector makeing installation neat and easy. Three rotary dials and an LED display simplfy setting the cylinder select, start retard and rev limiter. Plug-in rev limiter chips and hard to read dials are a thing of the past. For diagnostic purposes, the LED display can also be set to a live tach mode on V8’s and even display battery voltage with the turn of a knob. The 6M-3L is a capacitive discharge ignition that multi-sparks from idle to 3,000 RPM providing a clean idle and quick throttle response. Above 3,000, capacitive discharge sparks will run clean through 12,000 RPM . Boasting more features and higher spark energy than its predecessor, the 6M-3L is the performance upgrade your boat needs!
Source product highlights
- Large, easy to read LED display
- Shift interrupt feature eases shifting
- Records highest RPM the engine turned for last 20 minutes of run time
- Easy setup of features with three rotary dials on the face of the unit
- Built-in Start Retard adjustable in 0⁰, 10⁰ or 20⁰ increments for quick, easy starts and extend starter life




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