Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

 
 
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Barney
 
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Default Hall-effect vehicle ignition system

I am having problems with an old (H reg) Vauxhall Cavalier. Basically it
won't start - there is no spark. These have a fairly basic electronic
ignition system which consists of a hall-effect unit in the distributor, an
electronics control module, a darlington power transistor amplifier and a
coil. What I need to check first of all is if there is any output from the
hall-effect unit, but I have no means of doing this. Anyone got any ideas
about signal levels coming out of this, etc, or any other ideas about checks
I can make without much in the way of test equipment?


 
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