Ls Map Sensor Wiring Diagram

1999 02 ls1 pcm pinouts camaro firebird corvette similar pcm connector blue pin wire color circuit no.

Ls map sensor wiring diagram.

This will allow the computer to supply a reference voltage to the map sensor. The map sensor uses a three wire connector. This sensor is found on 1991 1992 tpi engines and 1992 1997 lt1 engines. Map sensor pin c 49 50 not used 51 dk blu 496 ks 1 signal front sensor pin a.

Turn the ignition key to the on position but don t start the engine. All that is required is a vacuum hose from the intake manifold plenum to the sensor. This is a discussion on map wiring within the computer tuning forums part of the lsx technical help section category. The larger wires that feed heavy draw circuits are typically 14 to 12 gauge.

Checking for reference voltage. The primary wires are 16 gauge with 12 gauge for heavy draw items such as the headlights. The wire in painless performance kits runs a little larger than the standard. Function 1 blk 451 pcm ground 2 lt grn 1867 12 volt reference ckp pin c 3 pnk blk 1746 fuel injector 3 control.

I need to wire a ls3 map pigtal onto my ls1 harness does anyone have the diagram for the ls3. The ls1 ls6 ls2 map sensor bottom left is sealed to the intake manifold with a rubber seal.