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Old 08-27-2014, 02:38 PM   #25
hognutz


 
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Drives: 2013 ZL1
Join Date: Oct 2011
Location: tangent or
Posts: 2,984
okay I am going to update this DIY to add the abiliy to force the flaps closed at all times.

1. insead of removing the exhaust fuse put the fuse tap in parallel with it.
2. using a wire tap find the green and black wire to the exhaust control module and tap the relay 12 v out to that wire.


I added catless headers and always open mode is just stupid loud so now I have stock and flaps forced closed with the same relay.

there is also a simple way to use a mechanical switch to have open\stock\closed by tapping into the stock ehxaust exhaust relays ground wire.

break the connection always open, connect it always stock, ground it and the flaps will be forced closed. if I get current drain issues from my relay I will switch to this approach.
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2014 Chrysler 300
2011 Duramax 8" lift, deleted tuned
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