2003 Chevy Avalanche Data link won't excite my scanner

ROBERT

MEMBER
2003 CHEVROLET AVALANCHE
V8
2WD
AUTOMATIC
12,000 MILES

When I hook up my odbII actron scanner to the truck's data link, it will not excite it. I turned the ignition to the on position, and it still does nothing. So I of course cannot read the code that the computer is currently storing. I have check all the fuses on the fuse block in the engine compartment and the fuse block located on the drivers side panel. Any ideas would be greatly appreciated.

Monday, December 7th, 2009 AT 7:45 PM

2 Replies

HMAC300

MECHANIC
48,601 POSTS

Go to the aldl and take a test light asn see if it is getting power, I forget which one supplies it. YOu'll have to probe each one. If it is then check to see if you have a battery in your tester that may be bad. Also make sure you have a good connection with your tester.

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Thursday, December 31st, 2009 AT 9:41 AM

ROBERT

MEMBER
2 POSTS

Thanks for the help. What to let all know that I did have a blown fuse; the Cigarrette lighter fuse. Did not care about it so never replaced that fuse. Welll I found out after replacing that fuse that it is shared with the power that goes to the aldl.

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Saturday, January 2nd, 2010 AT 11:36 PM

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2005

CHEVROLET AVALANCHE