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Wiring diagrams
Full colour diagrams for our main harnesses, showing every factory option. Click a diagram to open the full-size PDF.
EJ EH Holden
For the Mad Folk EH Holden Premier main wiring harness.
MF0015-51
External regulator
EH diagram with all options. Alternator with external regulator.
MF0015-52
Internal regulator
EH diagram with all options. Alternator with built-in regulator.
MF0015-54
Internal regulator + headlight relay
EH diagram with all options. Built-in regulator alternator, upgraded with headlight relay.
HD HR Holden
For the Mad Folk HD HR Holden Premier main wiring harness.
MF0039-52
3 pin wiper + headlight relay
HR diagram with all options, 3 pin wiper switch and headlight relay upgrade.
MF0039-53
5 pin wiper + headlight relay
HR diagram with all options, 5 pin wiper switch and headlight relay upgrade.