I'm installing an alarm system with trunk popper output on a 2001 cavalier z24. I know that the black/white wire at the BLUE BCM connector is the good one but they're 2 black/white wires on this same connector. I tested both and found that they have continuity with ground. I also know that the popper need a +12V pulse. I tested them when pressing on the factory trunk release button and found no +12V pulse at all...
Can somebody help me with this?
Blue? Nope. Try Purple. Blk/wht wire, pin A5 on the purple connector.
Blue black/white are both ground wires.
