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SD12 INSTALLATION
Installation
The following installation instructions are very basic. If you feel
unsure about personally installing this speaker system, Dual
recommends aquiring the services of a professional car audio
installation center.
CAUTION
Before installation, please follow the following rules:
1. Be sure to carefully read and understand the instructions before attempting to install
this product.
2. For safety, disconnect the negative terminal from the battery prior to beginning the
installation.
3. For easier assembly: If additional wiring is required, we recommend running all wires
prior to mounting your speaker in place.
4. Use the highest quality connectors for a reliable installation and to minimize signal or
power loss.
5. Use caution before you drill or cut! Be careful not to cut or drill into gas tanks, fuel
lines, brake or hydraulic lines, vacuum lines or electrical wiring when working on any
vehicle.
6. Never run speaker wires underneath your vehicle. Running speaker wires inside the
vehicle provides the best protection from exhaust heat and environmental elements.
7. Avoid running wires over, near, or through sharp edged surfaces. We suggest you also
use rubber grommets to protect any wires routed through metal, especially the firewall.