SOLVED: Ignition wiring diagram Mazda B2000 1986 - Fixya Mar 25, 2009Ignition wiring diagram Mazda B2000 1986. I have recently changed from points to electronic distributer. I have also upgraded the ignition coil. I am looking at rewiring the coil back to power source as I am not getting sufficient power at the coil. Some vehicles have a limiting resistor built into the factory vehicle wiring that reduces SOLVED: 1986 mazda b2000 ignition coil ground wire - Fixya Jun 26, 20171986 mazda b2000 ignition coil ground wire capacitor Cranking no spark, ground wire got detached--wiring diagram shows ground wire going to a capacitor before going to ground, but I don't see a capacitor anywhere.