Ls Map Sensor Wiring Diagram

The larger wires that feed heavy draw circuits are typically 14 to 12 gauge.

Ls map sensor wiring diagram.

This is a discussion on map wiring within the computer tuning forums part of the lsx technical help section category. 1999 02 ls1 pcm pinouts camaro firebird corvette similar pcm connector blue pin wire color circuit no. All that is required is a vacuum hose from the intake manifold plenum to the sensor. The map sensor uses a three wire connector.

Function 1 blk 451 pcm ground 2 lt grn 1867 12 volt reference ckp pin c 3 pnk blk 1746 fuel injector 3 control. The early gm map sensor top has a provision for being mounted just about anywhere it fits. The wire in painless performance kits runs a little larger than the standard. Map sensor pin c 49 50 not used 51 dk blu 496 ks 1 signal front sensor pin a.

Primary wire is typically an 18 gauge wire and is the most common wire found in wiring harnesses. The ls1 ls6 ls2 map sensor bottom left is sealed to the intake manifold with a rubber seal. Checking for reference voltage. This sensor is found on 1991 1992 tpi engines and 1992 1997 lt1 engines.

This will allow the computer to supply a reference voltage to the map sensor. The primary wires are 16 gauge with 12 gauge for heavy draw items such as the headlights.