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"...Soldering a 10k ohm 1/4 watt resistor..."Here is a 1st gen 4runner tach:{see picture below}
3RZ man 2.7l 4cyl
Hey all,Thanks 4RnrRick, I just did this mod on my tach after a 3RZ conversion and it worked perfectly. Mine was the same type as the 22RTE tach.CheersMatt.
Matt,What year is your 3RZ?
Ok, thanks. I am looking for someone with a quad coil 3RZ that has done the resistor mod...
From the Igniter. On older Toyota wiring systems, there is a Black wire that runs from the Igniter, into a junction, and then to the tachometer. On the newer Toyota wiring systems, such as yours, they changed the wire color to a Green-Black wire (Green wire with a Black line).Usually the junction splits the TAC signal between the Tachometer, the ECU, the Data connector (OBD-II), and the Igniter.You can pick the signal from any part of the junction/branch.Also, you might need to use a tach signal converter now that it will not have the same pulse as a single coil system. See this page: Dakota Digital Universal Tachometer Signal InterfaceBigMike
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