Page 1 Avital Model 4003 Installation Guide NOTE: This product is intended for installation by a profes- sional installer only! Any attempt to install this product by any person other than a trained professional may result in severe damage to a vehicle's electrical system and components.. Primary harness (H1) wiring diagram H1/1 LIGHT.. An Avital 5303 wiring diagram is a visual representation of the electrical connections and components involved in installing and operating an Avital 5303 remote start and security system. This diagram shows the various wires, connectors, and switches that need to be properly connected to ensure the system functions correctly..
Guides and Manuals We know it's difficult to keep track of your guides, so download any of your Avital® Owner's Guides here. For Your Car Security and Remote Start. Wiring Connections 12-pin Primary Harness 3-pin Horn Honk Harness Door Lock port Status LED port Valet button port Starter interrupt input/output Impact sensor adjuster Main Harness 12-pin Connector (H1) H1/1 ORANGE (-) 500 mA Ground-When-Armed Output H1/2 WHITE (+/-) Selectable Light Flash Output H1/3 WHITE/BLUE (-) 200 mA Channel 3 Validity.