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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Spark plug Tester: amzn.to/36oHRor
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[@gregoryl8374]

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

[@JJBanuelos]

No problem thanks for watching

[@LevelUpMechanics]

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

[@JJBanuelos]

Lol thanks

[@michaeldowney8429]

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

[@havegrinderwilltravel5]

Very hand thank you and nice truck 😎

[@dano7480]

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

[@rexracer4591]

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.

[@bryanwalker3110]

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

[@JJBanuelos]

I have Nitto NT555r. Rears are 305/40r18 & front are 245/45r18

[@bryanwalker3110]

Ok thanks, I got the factory rims and having a hard time finding a decent tire for it. The 275/60/17 is a rare size

[@JJBanuelos]

@@bryanwalker3110 I love the look of the factory wheels though. I’m going to send mine off to get widen I so can fit a fatter tire.

[@ggv69340]

Is that test for a 6al msd

[@1hernandez78]

What if it has the little red light

[@tedslife7086]

If you dont know you just buy another one

[@rudysueoka9959]

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

[@rudysueoka9959]

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