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Yellow wire

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Old 07-06-20, 02:47 PM
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Yellow wire
there is a yellow wire near the coils on the driver side of my 88 fc. Its left hand drive btw. Any idea what this wire connects to?
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Old 07-06-20, 03:30 PM
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is it a bullet connector? if yes its the test port for the ignition/tach, you can get an RPM signal from that
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Old 07-09-20, 12:08 AM
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Originally Posted by j9fd3s
is it a bullet connector? if yes its the test port for the ignition/tach, you can get an RPM signal from that
thanks!
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Old 07-18-20, 12:18 PM
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Originally Posted by j9fd3s
is it a bullet connector? if yes its the test port for the ignition/tach, you can get an RPM signal from that
where does it plug in at? It was never connected to anything yet my tachometer would still work.
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Old 07-18-20, 01:00 PM
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The dash tachometer doesn't take signal from there. It's a test port for an external tach if doing timing adjustment.
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Old 07-19-20, 09:51 AM
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Originally Posted by JerryLH3
The dash tachometer doesn't take signal from there. It's a test port for an external tach if doing timing adjustment.
oh ok thanks👍
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