Re: Vauxhall Astra 1.4 16v 2001 Z1.4XE Archived Message
Posted by Mike Walker on February 26, 2007, 8:15 am, in reply to "Re: Vauxhall Astra 1.4 16v 2001 Z1.4XE"
The version you describe is the type with the ignition amplifiers built into the coil and not into the ECU. The + & - is the power to the internal amplifiers and the other two terminals are the signal wires from the ECU. The same comment applies that the ECU switches one pair and cannot therefore cause a misfire on one cylinder.
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Link: http://www.atpelectronics.co.uk
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