On the turn signals...there were 2 factory styles...one doesnt work on 12 volt, the other does...if you have this box under the hood, they wont:



If you have this one, they will:


If you have something else, then someone installed a non military setup.

If you have the first one that doesnt work on 12 volts, you have 2 choices to convert and still stay military...

1. You can convert the internals of the large box to new relays and such to work on 12 volts...a bit complicated electrical process...heres how:
http://www.m715zone.com/vb/view.php?...istbox_convert

2. You can swap the first style above for the 2nd style above...heres how:
http://www.m715zone.com/vb/view.php?...signal_convert