TEST YOUR MSD BOX. How To Test A MSD Box.

#MSD #Trailblazerfilms #howtotest

How do you test a MSD box? Well if you have been asking yourself this question I hope today I can answer you questions. Thanks for watching & please leave a comment down below.

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[gregoryl]

Thank you for taking the time to help us that are trying to diagnose problems.

[LevelUpMechanics]

The MacGyver of electrical diagnostics! **just a piece of wire (or paper clip) and a screwdriver** lmao! Great info!

[michaeldowney]

What if your coil is bad? How do you know if it’s the coil or the spark box?

[dano]

What if the car runs for a certain period of time and it shuts off but starts right back up? When it shuts off the box flashes 5 times. I've replaced everything but the box. Thanks for any advice

[rexracer]

Kind of surprised this works as there is no voltage on the line going into the box. That’s a pulse magnetic generator input. So. In other words, the Ford TFI distributors create an AC waveform voltage to trigger that box. I wonder if MSD set those boxes up to do that and put a small line voltage on that input. I’ll have to check into this. Thanks for sharing with others. Oh. And lastly. You’re not “grounding” the connection. You’re jumpering it.

[bryanwalker]

What tires do you have on your Lightning? And size?

[tedslife]

If you dont know you just buy another one

[rudysueoka]

The MSD box you got to put it in the trash it's not worth anything you waste your money on a MSD box

[rudysueoka]

Box I wouldn't even bother msgbox your junk your junk and he mess up