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| I had one on a '74 Chevy. It worked great - but did have it "lock up" a few times. The thing is, in order to release you have to be able to push a little bit of pressure through the valve after you switch it off. If you have already set the brake as hard as you can push, then you can't get that little bit that it needs and have to crack a bleed valve. That mainly happens if someone forgets which way is off or if the switch gets set accidentally and manages to get the brakes pumped up tight. An indicator light helps in those situations. | |
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