Painless 1986-1993 GM 4.3L V6, 5.0, 5.7 & 7.4L V8 TBI Harness Extra Length

This harness is designed for 1986 - 1993 4.3L, 5.0L, 5.7L, 7.4L Throttle Body Injection engines. These harnesses will not work with a '94 or '95 ECM and will not operate a 4L60E transmission. These engines were factory equipped in GM full-size trucks, vans, and SUVs, S-10/S-15 trucks & suvs, Oldsmobile Bravadas, Chevy Astro vans, and Camaro/Firebird platforms. Harnesses do not include all the orginal connections for the the orginal emissions but are available separate. Also available for this harness is a detailed step-by-step manual, and GM color coded wires with labels for easy installation. 

This extended length harness allows eight feet from the back of the intake manifold to where the fuseblock and ECM mount. Perfect for those that plan to mount these components under the seat or in the center console.

This harness also requires the following mating parts; ECM #1227747, #16121154, or #88999146. Calpack #16060836, and a prom to match you engine: (4.3L) #16082087, (5.0L) #16139492, (5.7L) #16139566, (7.4L) #16128359. This Prom does not control any transmission or torque converter functions.

Specs:

Harness Length: 8 Feet Between Engine and ECM
Fuse Type: Blade
Firewall Passthrough: Grommet
Color Code Based: 1990 GM Truck
Circuit Designations: Printed Wire Tags on all Connectors and Open Ended Wires