MGB Mk1 GT 123 Electronic ignition causing Rev Counter to stop working see how to fix wires & more !

Iconic Brands need maintenance to keep value and safety this helpful fun video may be of use to others with similar problems

[DavidUKesb]

Steve is great, as is his channel. Very interesting and explains things clearly for the less knowledgable.

[SteveDentonClassics]

Love this, really nice video of me in my home environment. Glade to help you keep your MGB ticking along 👍

[hpevans]

Great to see two like minded vintage car lovers.

[ellesmerewildwood]

Auto instrument guy here, I'm in Australia so I haven't repaired too many Smiths instruments but what I remember of that vintage MG, the tachometer used an inductive pickup using high current running in the neg coil line to the points. When people change to electronic ignition, the pulse energy (current) isn't high enough to trigger the transistors on the circuit board. The only fix I've been able to apply to this is to replace the circuit board which will pick up a low energy pulse from the coil.
It would have been nice to explain what Steve did. As an instrument repairer of 40 some years, I'm an old dog who's not above learning new tricks but it was frustrating for Steve not to explain what he did.

[bobspeller]

Steve looks like the guy to go to for all these puzzling jobs. Will check his channel, thanks for the top tip. Bob

[jamesweber]

Does your MGB ever disengage the overdrive by itself ?

[DC-dphk]

I'm not sure if I missed something and I'm not too bad with electrics but I don't think he actually explained what connections were changed and why?

[Tglider]

As a rule, I try not to let a man with latex gloves get behind me.