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Unread 10-31-2005, 07:57 AM   #1
auditaki
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Negative Ignition coil wire color....

Hi,

I am trying to find the negative tach signal wire going into the two-wire plug off an ignition coil on the 5.2L V8 for a '93 Grand. It's the small 2-wire plug on the bottom of the coil. I can see a brown/white and a green/something wire going in to the plug.

I should probably test but I do not know how to!!!

Any help appreciated. Thanks in advance.

Regards,
Taki

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Unread 10-31-2005, 02:26 PM   #2
auditaki
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Anyone know or ever tapped into this wire for their tach signal?

Thanks.
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Unread 10-31-2005, 02:43 PM   #3
Woody
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I usually trust the Tach in the dash.
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Unread 10-31-2005, 04:49 PM   #4
MAUSS
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On the ignition coil, the '93 FSM says you have 2 wires... a Gray with a White stripe and a Dark Green with a Black stripe. The Gray/White wire goes to the PCM and is labeled "Distributor Ignition Coil (-)" and the Dark Green/Black wire is the hot side, coming from the Automatic Shutdown Relay in the Power Distribution Center.
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Unread 11-01-2005, 08:14 AM   #5
auditaki
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Thank you!!! I guess I was a little off with the colors. It is the Gray/White wire I am looking for!

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Unread 11-01-2005, 11:19 AM   #6
Woody
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Quote:
Originally Posted by auditaki
Anyone know or ever tapped into this wire for their tach signal?

Thanks.

What do you need another tach signal for?
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