Tach Wire Question 98 Grand Am

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rico_talbot

Member - Posts: 2

Joined: February 05, 2005

Location: Burundi

Posted: February 08, 2005 at 8:05 PM / IP Logged

I'm not sure where to find the Tach wire for my 98 Grand Am, I find a harness beside the coil pack, it does have a few wires coming out, four wires from the one plug and two from the other, I have tried both the white and the Purple White wire, like some people have said could be it, but the car just cranks for a second or two but doesn't stay running, if you turn the key for the same amount of crank time it fires right up.

If anyone has any ideas please let me know.

Thanks Rich

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rico_talbot

Member - Posts: 2

Joined: February 05, 2005

Location: Burundi

Posted: February 08, 2005 at 8:14 PM / IP Logged

I put a multimeter on the white and got a small voltage at idle and did increase with rpms

I did the tach learing thing several ideas and I as far as I know it worked

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thepencil

Gold - Posts: 1,526

Joined: December 16, 2002

Location: Canada

Posted: February 08, 2005 at 10:01 PM / IP Logged

Any chance you might have a PASSLOCK I in the car? Just a guess.

Be careful whose advice you buy, but be patient with those who supply it. Tach Wire Question 98 Grand Am - Last Post -- posted image.

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johnnydi77

Copper - Posts: 54

Joined: May 17, 2004

Location: United States

Posted: February 11, 2005 at 9:46 PM / IP Logged

Your tach is fine. Your problem is that you are setting off your security. That vehicle has passlock 1 and needs to be bypassed.

John J. DiStefano Jr.

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Tach Wire Question 98 Grand Am

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