tanny Posted October 16, 2004 Share #1 Posted October 16, 2004 Is there a way to convert a 4 wire tachometer to a three wire? My 73 240 has a 3 wire that is malfunctioning and I have a spare 4 wire that works. Supposedly the 3 wire is the more reliable one, but I want to try to use this spare. I looked through the threads but couldn't find anything on this. Thanks, Victor. Link to comment https://www.classiczcars.com/topic/13646-4-wire-to-3-wire-tachometer/ Share on other sites More sharing options...
tanny Posted October 18, 2004 Author Share #2 Posted October 18, 2004 Maybe a better way to state the question would be: is there a way to install a 4 wire tach into the original 3 wire system? Has anybody tried this? Thanks, Victor. Link to comment https://www.classiczcars.com/topic/13646-4-wire-to-3-wire-tachometer/#findComment-98468 Share on other sites More sharing options...
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