primary harness (H1) wire connection guide
primary harness (H1) wiring diagram
The primary harness supplied with this unit is the standard 12-pin harness used. Two wires in the plug are not used. The upgrade from this unit to a security system would simply require unplugging and exchanging control units and connecting the necessary wires to the vehicle. The functions of all the wires that are used in the primary harness are outlined in the following wiring diagram and the wire connections are described in the wire connection guides
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