Interface Leads Interface Leads Instruction for Line-In cable 68631 for Chevrolet 2002– with Onstar Made in Denmark by Kram Telecom A/S Made in Denmark by Kram Telecom A/S EN631 Interface Leads Interface Leads Product description Installation description Line-In cable 68631 for Chevrolet 2002– with Onstar Interface Leads are used for car stereos with a Line-In function or VDA preparation. It enables the use of the car speakers when answering/making calls from your cell phone by using the radios built-in mute function. Speaker-function: This is achieved by connecting the carkit directly to the cars Line-In input/VDA connector. By using the radios built-in relays the telephone conversation is sent through the car speakers while the radio is muted. This way you will achieve a perfect hands free sound without interference from the car radio. For a complete cable-set two item no. is required. The first is a car-specific Interface Lead. The second is a carkit-specific carkit adaptor cable. Power supply of the carkit: All Interface Leads are delivered with a power connector for the carkit. This way you avoid cutting the cars wiring loom. Please check the radio instruction manual for special issues regarding the connection and set-up of the radio when connecting a carkit. See our complete Interface program on www.kram.dk Line-In cable 68631 for Chevrolet 2002– with Onstar 1st. Connect the relay box between the two 8 pin and the 6 pin connector. The side of the box labelled “Radio” and one single 8 pin connector should be connected to the 8 pin closest to the radio connector. 2nd. Remove the radio and disconnect the 24 & 12 pin connector from rear of the radio. 3rd. Insert the Interface lead between the connectors on the radio and the connector on the cars wiring loom. 4th. Now connect the Carkit adaptor to the Interface Lead and connect the Carkit-adaptor to the carkit. Note: Please check if there is an ignition signal on the blue wire. If no ignition signal is available the blue wire can be connected to the red 12v constant with the bullet connectors or a ignibox Item no. 69600 can be used to create an artificial ignition. 5th. Refit the radio. 6th. After the installation please adjust the telephone volume level to it’s middle position and adjust volume level as described in the radios instruction manual. When the Interface Lead is installed correctly it will redirect your call through the car front speakers and allow the telephone volume to be adjusted using the radios volume control.