Type H: Negative (-) multiplex. Same as type G system, but uses (-) pulse instead. All other door lock systems will require additional relays and/or resistors. A Directed Electronics 451M Doorlock module can be used for these other applications. The 451M also includes diagrams and resistors required for most applications.
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The company behind this system is Directed Electronics Since its inception, Directed Electronics has had one purpose, to pro- vide consumers with the finest vehicle security and car stereo products and accessories available. The recipient of nearly 100 patents and Innovation Awards in the field of advanced electronic technology.