Wiring & Harnesses
Wiring is the part of a Harley audio build that determines whether everything works reliably long-term. On a motorcycle, connections are exposed to heat cycles, vibration, moisture and high current loads — conditions that reveal every shortcut. Purpose-built Harley audio wiring harnesses, correct wire gauge, properly crimped terminals, and the right fusing are not optional extras in a quality build.
Most Harley-specific wiring harnesses use OEM-style connectors that plug directly into factory positions — no splicing, no cutting, and no permanent modification to the bike's wiring. SaddleTramp produces plug-and-play harnesses covering the most common amp, speaker and head unit connection scenarios for Touring models from 1998 onwards. For custom installs, MAA can advise on the correct wire gauge, fusing and routing for your specific amp and speaker configuration.
Power wiring — the cable run from battery to amplifier — is often underspecified in budget builds. For amplifiers above 500 watts total, an 8 AWG or larger run directly from the battery with an inline fuse close to the battery is the minimum correct approach. If you have questions about wiring your specific build, call us before you start. Ships Australia-wide and to New Zealand.