About HM Auto Electrical

Locally owned and operated. At HM Auto Electrical (formally Harness Master) we pride ourselves in achieving the highest standard. We specialize in auto electrical diagnostics and repair. We have a range of specialized diagnostic test equipment, scanners, oscilloscopes that allow us to meet a wide range of needs and our electrical harness/loom braiding machine allows us to offer a loom braiding service scarcely available elsewhere in New Zealand.


It started with an plan…

Our History

Managing Director and Mobile Technician Michael Court, has worked in the automotive industry for 16 years, a qualified mechanic and auto electrician in a vast range of areas from light vehicle to construction, agriculture and mining. Michael spent four and a half years living in Perth, Australia working in the mining industry as an auto electrician/mechanic building, maintaining and repairing a wide range of mining and earth-moving equipment.