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08-27-2011, 06:00 PM | #11 |
Ruler of the free world
Drives: 09 Yaris 2D HB Join Date: Jul 2010
Location: Utah
Posts: 49
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test tach signal?
I installed my tach today. The light works, but the tach doesn't.
I know I have power and ground because I can test those with my test-lite. Is there any way to test the tach signal circut? I am useing the tan wire furthest to the left on the OBD connector, as shown in this thread. I get no lite with a test light on that wire, but my volt meter reads about 6.8v. |
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