YoungAlliance Posted January 26 Report Share Posted January 26 so i hooked up coil on plug on my 4age 20v via link monsoon,but not rpm gauge won't work,is there a adapter i can buy,already tried wiring it tru the aux input,but that didn't work unless i did it wrong....HELP!!! car is a 1999 toyota corolla ae111 gt Quote Link to comment Share on other sites More sharing options...
Vaughan Posted January 26 Report Share Posted January 26 It is pretty easy to modify the tacho itself on Toyotas to accept the ECU signal and there are adapters available. If you have a search of the forum you will find many threads about this exact issue with the answers on them. Quote Link to comment Share on other sites More sharing options...
essb00 Posted January 26 Report Share Posted January 26 Try this one (on the YT linked video). Quote Link to comment Share on other sites More sharing options...
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