Ignition control unit and coil

[Phil Payne]

> > thanks for the detail explanation....i did understand most of it.....is there 
> > a full-proof way of checking the hall sensor (attached to the distributor) to 
> > make sure it is working since the control unit is a remove/replace item to 
> > see if it was bad.
> 
> The only way I can think of is to put an oscilloscope on it.

No, there's an official test.

http://www.isham-research.com/quattro/wiring/Typ85/mac01pin.html

(Why do I bother?)

-- 
  Phil Payne
  http://www.isham-research.com
  +44 7785 302 803