Gm Ls Engine Wiring Information

A wire harness shop should have the proper terminals for gm engine harnesses be tooled up to make proper crimps using production tooling and apply proper techniques for reworking an original engine harness.

Gm ls engine wiring information. The basic ls variations use cast iron blocks while. Print on both sides ecluding templates. The earlier ls engine models were all drive by cable. Next came drive by wire dbw versions that use an electronic gas pedal assembly.

Gm has continued to refer to its modern v 8 engine family as gen iii and gen iv but to the enthusiasts who quickly grasped the tremendous performance potential of the engines every engine of the platform is nicknamed ls see how ls crate engines compare in horsepower torque and other technical specifications. Primary wire is typically an 18 gauge wire and is the most common wire found in wiring harnesses. Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions. The ls based small block engine is the primary v8 used in general motors line of rear wheel drive cars and trucks.

The wire in painless performance kits runs a little larger than the standard. Terminals 85 86 can use 16 22 gauge just fine. Introduced in january 1995 it is a clean sheet design with only rod bearings lifters and bore spacing in common with the longstanding chevrolet small block v8 that preceded it as the basis for gm small block v8s. Engine control modules and harnesses the engine control module is the is the brain of your gen iii iv ls or gen v lt powered project vehicle and chevrolet performance is your source for controllers designed for easy plug and play installation and in most applications no need for third party tuning adjustments.

Relay coil draws less then 1 amp. Title ls series crate engine control system r ev 1916 pat o. These harnesses include the gen ii lt1 lt4 gen iii 24x ls1 ls6 and vortec truck engines as well as gen iv 58x ls2 ls3 ls7 vortec and gen v lt ecotec3 engines. That is they used a traditional mechanical throttle cable.

19171935 date revision auth sheet o2 24 installation instructions. All psi harnesses are made in the usa. Wire going to terminal 30 87 should be 10 12 gauge to handle the current draw of the cooling fan. The primary wires are 16 gauge with 12 gauge for heavy draw items such as the headlights.

All information within above border to be printed eactly as shown on 8 1 2 x 11 white 16 pound bond paper. The larger wires that feed heavy draw circuits are typically 14 to 12 gauge.