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Summary: Automotive wiring tips! Learn which wires power different accessories in this free video clip.
Robert has been a Alarm technician and owner for 10 years. read more
"We must access the wires by removing the dash panel and tapping into accessory 1, accessory 2, ignition 1 and ignition 2 and starter position. of course when tapping into those circuits, we must fuse protect the circuits being tapped into and must not exceed the power rating that the vehicle exceeds. Over here we have the radio. The radio in most vehicles work in accessory position. When the car is cranked, the radio goes up. When the car turns back to the accessory position, the radio stays operable. Same thing with the accessory circuit, when the vehicle is started released back to the accessory, air conditioner and blower will work, windows will go up and down and in some instances, turn signals work and horn honk. "
eHow Article: How to Wire Car Accessories