The purpose of dual parking control valves is to CDL The purpose of dual parking control valves is toAnswer: allow you to release the spring brakes so you can move the vehicle in an emergency Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.