Garage Gurus | Selecting the Right Power Supply for Reprogramming a Vehicle

[@fearlessphilshiver]

In the '80s I worked on satellite tracking electronics. The old conventional power supplies had about 0.5mv of ripple and the then-new "switching" supplies had about 50. Since a battery in-circuit with with a charger acts like a stiff filter capacitor (thus protecting the car electronics) and the battery isn't as sensitive to ripple as a vehicle computer, I can see why the typical brute-force or even modern chargers do an adequate job for charging. The requirement for 100 amps of "clean" power to flash a car's computer is shocking (bad pun) but the more computerized cars become, the more important clean power during critical operations becomes.

[@chasechevy8933]

Very informative. Well done.👌

[@33ad1]

Awesome video. Very informative.

[@Jpetovic]

Thanks for the info

[@jamescc2010]

What do you recommend for BMW and Mercedes programming to prevent bricked ECU?

[@AK-IT]

Ive heard PowerMax recommend specifically for BMW

[@RamonGarcia-xj7se]

Very good my brother products is very nice but you salling in amazon now tell me my brother God bless you peaceful life I love ❤ good night