LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Reading engine codes

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Old 09-16-2011, 05:22 PM
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Default Reading engine codes

When my friend gave me my current 94 T/A he also gave me a 2 pronged key. He said I could get the engine codes to flash on the ses light if I used it. Well now my ses light is on and the car is running like crap but none of the local parts stores have the connetor for the obd1. Can I jump the connector or do I need a scanner? I would just like a place to start on figuring out why its running so rough.
Old 09-16-2011, 06:05 PM
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Originally Posted by 1luckeyt/a
When my friend gave me my current 94 T/A he also gave me a 2 pronged key. He said I could get the engine codes to flash on the ses light if I used it. Well now my ses light is on and the car is running like crap but none of the local parts stores have the connetor for the obd1. Can I jump the connector or do I need a scanner? I would just like a place to start on figuring out why its running so rough.
Before you go throwing cash into random sensors and cheap scanners buy this cable at http://www.aldlcable.com/. Get TTS datamaster, your car being a 94 you probably have the 12 pin ALDL. With this software you can get a datastream from your PCM while running.
Old 09-16-2011, 10:34 PM
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Can't use the "key" that shorts the pins to flash codes. You can on a 93 f-body LT1, but not later.
Old 09-17-2011, 07:28 AM
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Well thanks for the info. Is there any free software that I can download and run on my Mac that will let me read my trouble codes?




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