If you're dealing with electrical issues in your older Chevy or GMC truck, this throttle body fuel injector connector might be exactly what you need. This isn't some cheap knockoff - it's made with tinned copper stranded wire that provides excellent conductivity and resists corrosion over time. Each connector is quality tested before shipping, so you know you're getting a reliable part that'll actually work. The tinned copper material also makes welding and repairs much easier if you need to do additional work. This replacement part matches OEM numbers 85139 and 12102568, so you know it'll fit right without modifications. It works with a bunch of models from 1989-1995 including Chevrolet Blazer C1500 through K3500 series, GMC Jimmy and Sonoma trucks, Oldsmobile Silhouette, and Pontiac Trans Sport. Installation is straightforward if you're comfortable with basic automotive electrical work. I used this to replace a corroded connector on my '91 Chevy truck that was causing rough idling, and it fixed the issue completely. The wiring is the right gauge and length to match the original setup. For anyone restoring or maintaining these older GM vehicles, having quality electrical components like this can make all the difference in reliability. Much better than trying to salvage old, brittle connectors that are just going to fail again soon.