bjmlewis Posted January 14, 2015 Share Posted January 14, 2015 i want to change my external bellbox for a vortex 11 to a optima 2 plus control panel, but all these bellboxes seem to have different lettered teminals on the vortex 11 terminals are trg rtn off- hold+ stb all help appreciated, thanks, regards, brian. Quote Link to comment Share on other sites More sharing options...
charlie6 Posted June 9, 2015 Share Posted June 9, 2015 Glancing through old posts again... Vortex Sounder Optima 2 trg ................................. B rtn..................................T off- ................................ A hold + ............................D At the Vortex make a small wire link and connect this between 'Strb' and 'trg' Quote Link to comment Share on other sites More sharing options...
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