Sorry - I thing I may have misunderstood, try checking the dolphingauges.com website, it is not an easy site to use, but if you can't find what you want you can call them, they are very helpful.
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I have ths same issue with my '55 (Dolphin guages). I hooked the signal indicators up to the generic indicators on my added turn-signal switch on the column and disabled the indicators there, but I am still working on the hi-beams.
