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Rev counter erratic -ness !
Posted: Fri Jul 24, 2009 9:18 am
by JSF55
Hi Guys since the misfire on the engine last month i've now noticed the rev counter is quite erratic, flipping up and down and never quite stable, ignition is pertronix coil and ignitor, rev conter is similar to the "tim" type gauge, 2" in a pod, anyone come across this before or is something about to go west
Posted: Fri Jul 24, 2009 12:18 pm
by CastleMGBV8
First place to check is the low tension supply to the coil as the tacho is indicating a problem in this area, could be as simple as a bad connection from ignition to coill.
If it's not that then possibly one of the ignition components is breaking down under load, so a check of the coil and amp if one is fitted.
Kevin.
Posted: Fri Jul 24, 2009 12:32 pm
by Ian Anderson
Check your alternator is working
When the voltage starts dropping the gauges go wierd
Ian
oops
Posted: Sat Jul 25, 2009 5:26 am
by JSF55
Just realised i put this in the wrong section
the charging is fine, i have a volt moeter fitted, i need to have a good look through the ignition system again to see if i've missed something