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- Mon Feb 09, 2026 1:34 pm
- Forum: General Motors
- Topic: 1988 chevy c1500 diagnostics
- Replies: 0
- Views: 3858
1988 chevy c1500 diagnostics
New to using diag sw. Old to working on a 1988 chevy c1500 with a a 5.7tbi. Trying to diagnose some ignition/running problems. I downloaded tunerpro rt, checked with aldlcable.com for a 12pin to usb cable. Will I gain any knowledge of what the truck & ecm is doing or am I wasting my time & m...