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post #1 of 1 (permalink) Old 02-02-04, 06:52 AM Thread Starter
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Join Date: Jun 2003
Location: South Australia
Age: 34
Posts: 162
Wiring Up Tacho To ECU

Hey there people

Just thought i'd share this bit of information as i wired in my tacho on my EA today (with the help of a friend) and found out that you don't need to run the wire to the coil or the TFI, just to the ECU.

Locate the 3 wires, surround by the sheilding on the ECU plug, or better still, the brown wire on the bottom row of pins, closest to the centre bolt on the ECU.

Tap into this wire (we found the easiest way was to scrape away the top of the plastic coating and reveal the wires that way) and connect the wire from the Instrument Cluster Lower Connector - Pin 8) to the brown wire on the ECU.

This is much easier than running it to the coil as you don't have to get under the car.


1988 EA Falcon Sedan
EB II 4.0L Engine Conversion
T5 Manual Trans
EB II 3.27:1 LSD

If they had black box recorders in Commodores, the final words would be "watch this bro!"
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