Viktor Posted May 4, 2009 Share Posted May 4, 2009 I've just bought a Bosch electronic dizzy and coil for my Opel GT. The first question relates to the wiring ie. Does the black wire, of the three, connect to an ignition switched source or the coil +ve? I presume the brown is ground and the green is coil -ve. Secondly, does the GTE use a resistor wire in the ignition circuit from the ignition switch to the coil? I don't, unfortunately, have a Manta GTE wiring diagram to which I can refer. TIA Quote Link to comment Share on other sites More sharing options...
mantadoc Posted May 4, 2009 Share Posted May 4, 2009 Brown is earth Add a wire to bypass the resistance wire, an ignition live. The resistance wire is usually crimped into a terminal with a black wire that gived 12V Cranking - that gives you the location of the ignition live. Green is just green. Pic might help, might not Quote Link to comment Share on other sites More sharing options...
Viktor Posted May 4, 2009 Author Share Posted May 4, 2009 Mantadoc, Thanks for the speedy reply. Nearly there! If I'm interpreting correctly what you state then - On the dizzy harness: Brown = earth Green = coil -ve Black = coil +ve No ballast wire in Manta so run a new ingition switched wire in place of original ballast wire. Et voila! Maybe Regards Quote Link to comment Share on other sites More sharing options...
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