Ignition With Ballast Resistor Wiring Diagram. Id already bought a coil for a mkiii and was planning to use that but im a tad confused over the whole issue of ballast resistor and coil. Placing resistor on the firewall avoids worrying about what that concentrated 25 watts of heat like a 25 w light bulb may be doing back behind the dash.
12 volt says its the old system 9 volt identifies it as ballast resisted 6 volt as the older cold start set up. Here is a picture gallery about ignition coil ballast resistor wiring diagram complete with the description of the image please find the image you need. The car is largely based on a mkiii spitfire with 1300 fd engine and alternator.
The resistor is mentioned on manual to other optional applications run on or tach misread pag 7 and 8.
The wiring diagram shows to conect to original coil wire. April 20th 2019 automotive ballast resistor wiring diagram. Strip 12 inch of insulation from each end of this wire and crimp a connector onto each end. The wiring diagram in the haynes manual for the relevant 1500 shows a ballast wire running from the coil to the ignition.