aftermarket tach wiring

ONLY for ADVANCED technical discussion about the 240sx!
big monkey racing
Posts: 168
Joined: Tue Nov 06, 2007 3:38 pm
Car: 1990 240sx

Post

could you tap off the LT-Blk wire out of the power transistor to wire up an aftermarket tach. i think thats how mine is and at different rpms the tach jumps around. could this be the cause of the rpm signal to jump. Could this cause the power transistor signal to cause ignition problems?


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