LT1 Dies and will not start

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Nov 30, 2009 | 02:34 PM

#16

Guest47904

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Joined: Sep 2004

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Here's one:
http://www.aldlcable.com/
or these:
http://akmcables.com/ic.htm

However I think this will do what you need
http://www.auto-repair-manuals.com/A...Scan-Tool.html
And is even available at Sears
http://www.sears.com/shc/s/p_10153_1...0070515x00001c

Nov 30, 2009 | 10:59 PM

#17

Injuneer

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Joined: Nov 1998

Posts: 71,094

From: Hell was full so they sent me to NJ

Quote:

Originally Posted by 1994z28ss

So by the way my tach is jumping around with the key on. The only culprits could be the Opti of PCM, and from what i have been researching these PCMs just dont go bad, so the opti is my problem?

Clarity isn't your strong point, but are you saying that your tach needle is jumping around when the key is in the "on" position, but the engine is not running?

Dec 1, 2009 | 05:30 AM

#18

Guest47904

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Joined: Sep 2004

Posts: 0

Bad battery connections can do that

Quote:

Originally Posted by 1994z28ss

So by the way my tach is jumping around with the key on. so the opti is my problem?

My P/up did that when I had a bad connection at the battery. Particularly when it was cold out. Only did when the engine should have been cranking but did not rotate with the key in the start position.

Dec 2, 2009 | 07:52 AM

#19

1994z28ss

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Joined: Nov 2009

Posts: 12

Quote:

Originally Posted by Injuneer

Clarity isn't your strong point, but are you saying that your tach needle is jumping around when the key is in the "on" position, but the engine is not running?

Sorry for my clarity, but what i meant was with Key On Engine off, Key in the run position not start. The tach will jump from 0-2000 and everything in between very erratically.