: Whats this plug for?

12-16-08, 12:35 AM
i have an 93 deville and when i removed the stereo it had 4 connectors, with the new harness i only used 3 of them. everything works...but what is the extra harness for? it has 2 wires in it and a red clip on the back...


12-16-08, 11:57 PM
no one knows?