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Jun 17, 2014 | 02:37 PM

#16

NeilTDeal

Thread Starter

New User

Joined: Jun 2014

Posts: 16

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From: Oro Valley AZ

WELL SO DID I! So does that mean I can read codes but not scan or that I cant even read codes?

Jun 17, 2014 | 06:18 PM

#17

Flecker

More Turbo

Joined: May 2014

Posts: 665

Likes: 139

From: Lakeside, Arizona

Quote:

Originally Posted by NeilTDeal

WELL SO DID I! So does that mean I can read codes but not scan or that I cant even read codes?

You can for sure read the codes. No Scanning however if the gvw is not under 8500. I think. ?

Jun 17, 2014 | 07:10 PM

#18

subford

Fleet Owner

Joined: Aug 2005

Posts: 23,667

Likes: 301

From: Easton,Ks

Quote:

Originally Posted by NeilTDeal

WELL SO DID I! So does that mean I can read codes but not scan or that I cant even read codes?

You have a 1991 460 so you can read codes but no you can not scan the data.

But I may be wrong as I can only go by the information that I have as I do not have any of these 1991 trucks.
What you need to do is see if you have wires plugged into the Self-Test plug at the location in the diagram below, pin #1 and pin #3. If you do not have the wires in those two places you can not scan data, only read codes.

Note the colors in the diagram may be wrong for your truck.

Jun 18, 2014 | 09:37 AM

#19

NeilTDeal

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Joined: Jun 2014

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From: Oro Valley AZ

Yup. No wires at Pin 1 or Pin 3 I will pick up my 3145 at lunch. Thanks guys.

Jun 19, 2014 | 12:44 PM

#20

NeilTDeal

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Joined: Jun 2014

Posts: 16

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From: Oro Valley AZ

so the Saga continues... My data connector is slightly larger than the one shown above with 7 pins rather than 6 the scan tool still aligns with the pins but the connecter is not "D" shaped so it des not seat all the way. Before I try a KOEO test I want to make sure I am safe...