Quote:
Originally Posted by vetteflier
That's what I've seen, and on my '18 Vette, pulling the fuse kept them open all of the time, otherwise they would close at certain constant speeds even in Track mode. Youtubes have shown how to disconnect the plug/s. Just have to do it with valves open. Older one used vacuum, not electric to operate the valves. Same idea--pull and plug the hose.
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Is there a plug into exhaust near the end? On the g20, the right exhaust tip/muffler had a plug that electronically controlled the flap. Once unplugged after it was open, it would prevent it from closing.