DATA LINK QUESTION

1985 GMC S15

Tiny

Ixthus

October, 1, 2010 AT 9:33 PM

Computer problem
1985 GMC S15 4 cyl Two Wheel Drive Manual 190000 miles

My Data Link Connector only has 4 wires connected to it. White w/black stripe, Black w/white stripe, Orange, and Tan w/white stripe. I need to check my trouble codes but can't. Are the wires hard wired to the ECM or can you just easily plug in a new ALDL. Thanks.

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Tiny

rasmataz

October, 2, 2010 AT 5:42 AM

Jumper A to B in the DLC and read of the flashes


http://www.2carpros.com/forum/automotive_pictures/12900_aldl_1.jpg

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