Wiring Diagrams for Your
Superformance Mk III

Wiring Diagrams available for your series
Superformance MK III

The large scale, detailed, color Wiring Diagrams were developed by Blas Costagli. To order or for additional information, contact Blas at:

Blas Costagli,
907 Duxbury Ct
Schaumburg, Illinois, 60193-2612

Click here to download the information sheet and ordering instructions.


Early cars: thru SP01040
Middle series cars: SP01041 thru SP01899
New series cars: SP01900 thru SP03119
Latest series SP03120 and up.

Each Diagram contains standard wiring schematic & wiring upgrades, including: Wire color chart, Battery tender install, push button starter, ignition switch replacement (3), MSD ignition install, Hella horns, standard & high torque starter installations (4), headlight warning buzzer, manual fan switch, elect. Fuel pump switch, voltmeter installation, Duraspark ignition, electric fuel pump relay upgrade, battery cut-off switch, 1 wire alternator, harness connector & plug identification, driving lights, DOT headlight upgrade, plus other electrical related information.