Gm Ls3 Crate Engine Wiring Diagram. I have a l76 crate with an ls3 top end and a mild cam that is going into a 69 firebird. The primary wires are 16 gauge with 12 gauge for heavy draw items such as the headlights.
Each chevrolet performance controller kit is a true stand alone system. Ls3 starter wiring diagram perfect gm ls engine diagram. The majority of the wires in the stock harness are not needed in a retrofit application.
On the ecu it says.
E rod crate engine control system chevy performance parts e rod crate engine this control system is a stand alone fully integrated kit designed to run chevrolet performance parts e rod crate engines with 58x crankshaft reluctor wheels 4x camshaft indexing and electronic throttle control etc. We collect lots of pictures about gm ls3 crate engine wiring diagram. 19329243 date revision auth sheet of4 12 25ap14 initial release william duncan na 16oc14 revision william duncan na 3. General information autonerdz gm ls3 engine wiring diagram wiring library sterling truck ac wiring diagram wiring diagram.