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Question about speedometer sending wire

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Old 04-02-03, 01:16 PM
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Question about speedometer sending wire

Where is it?

I just installed a Greddy Turbo Timer, and I hooked everything up and it works great - except I do not know which wire I tap into for the speedometer function. The turbo timer comes with a purple wire that you need to tap into the speed sending wire, but I am not sure wich one. Could anyone help me find it?

Thanks guys!

Oh yah, anyone else have this timer: how to I set the screen color to be red instead of the normal blue?
Old 04-02-03, 01:49 PM
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There are 2 wires coming off the speedo to the speedo sensor. One is yellow/red, the other is yellow/white. I don't know which one you need. Use an in line splice. Don't cut the wires.

Oh yah, a turbo timer is a waste of money. Just drive the car easy before you shut it off.

Adam
Old 04-02-03, 02:18 PM
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yah but thats not always possible....
Old 04-02-03, 02:35 PM
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Needs to be tapped into the green wire at the emmissions harness by the ECU. Tapping it in here is easier than behind the dash.
Old 04-02-03, 04:50 PM
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this is a pic of the ecu wiring. I forget if this is a pic from behind the plug or in front of it, but it's easy to figure out if you compare the plug size to your wiring harness.

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