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Connecting tacho to aftermarket ECU
http://4g61t.org/forum/viewtopic.php?f=6&t=13419
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Author:  cheeks [ Mon Apr 04, 2005 11:48 am ]
Post subject:  Connecting tacho to aftermarket ECU

Hi everybody,
I'm from Australia and have had so many dramas finding wiring schematics so I can connect the standard tacho to an autronic SMC. I am currently running an aftermarket item on the dash but would prefer to run the OEM one to keep my sleeper look. Any suggestions or links that could help me?

Author:  monsterbishi [ Mon Apr 04, 2005 5:08 pm ]
Post subject: 

There's only two wires that need to be connected on the dash end, TM and TM ground, they have small screws going into them that you can undo and put a ring style crimp piece onto.

TM ground just needs a good earth, TM goes to the tach signal wire that goes to/from the ecu.

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