Question about 1992 Oldsmobile Bravada
If you pull out the bezel around the radio by removing the few screws that hold it in and test the switch itself to see if it is working properly, you can determine if it is the swucth or the relay under the dash near the fusebox. On my friends 92 Bravada, it was a bad relay so I replaced it with a known working one from a junkyard. It worked once and didn't work again. All I did was bypass the underdash relay with a small length (approximately 3 to 4 inches) of 12 gauge multi-stranded copper wire and 2 male spade connectors crimped to each end of this wire. You first have to remove the old relay from its socket just above and in front of the underdash fusebox which is very simple. A little wiggle and a tug and it should come out of its socket easily. You should be left with a white relay in your hands with 3 pins sticking out of it. All I did was use the little wire to jump 2 of the 3 wires in the socket itself and the button works every time now. If I remember correctly...it was a black wire (to the glass popper motor in the rear hatch) and a brown wire (from the dash mounted switch) but I could be wrong so... Test the wires before you go and connect them. Hope this helps.
Posted on Oct 24, 2008
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