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beater_240sx · 04-17-2005, 08:19 AM

I have a Defi tach with the control unit, The power and the illumination is wired up no problem. I tried to wire up the tach signal to the ecu, nothing. Then I read about how the digital ignition systems do not send the correct signal. So I bought an MSD tach adapter. Tried hooking it up to the coils like they said to, and nothing, then tried hooking it up to the ecu and nothing still. I am lost!!!

1989 240sx Fastback
with SR20DET

Please Help!!!
Ive searched and havent come up with squat!

04-17-2005, 08:19 AM	#1
beater_240sx Join Date: Mar 2005 Location: Michigan Posts: 25 Trader Rating: (0)	Tach wiring help! I have a Defi tach with the control unit, The power and the illumination is wired up no problem. I tried to wire up the tach signal to the ecu, nothing. Then I read about how the digital ignition systems do not send the correct signal. So I bought an MSD tach adapter. Tried hooking it up to the coils like they said to, and nothing, then tried hooking it up to the ecu and nothing still. I am lost!!! 1989 240sx Fastback with SR20DET Please Help!!! Ive searched and havent come up with squat! __________________ image exceeds forum limits -Moderation