High Idle Problems

Bigharm27

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Hey guys. I got a 2012 f550 and I am trying to do the high idle mod. I hooked it up exactly like I had it on my truck and five minutes later went and wired it in on my f550 and tried it. I can not really tell a difference in idle until I flip the uplifter switch off and it seems to idle down. I have rechecked my connections and it is still a no go. Any suggestions?
 

Bigharm27

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I got it figured out. It was previously a fire truck. They had an ignition on, hot wire hooked into the pro circuit and it didn't like it.
 

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