Ls Map Sensor Wiring

You need to identify the signal reference and ground wires using your vehicle repair manual.

Ls map sensor wiring.

Function 1 blk 451 pcm ground 2 lt grn 1867 12 volt reference ckp pin c 3 pnk blk 1746 fuel injector 3 control. This is a discussion on map wiring within the computer tuning forums part of the lsx technical help section category. Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions. 1999 02 ls1 pcm pinouts camaro firebird corvette similar pcm connector blue pin wire color circuit no.

Free shipping on your first order shipped by amazon. This sensor is found on 1991 1992 tpi engines and 1992 1997 lt1 engines. It is possible that detroit is slightly above sea level and you can use 12 11 in the formula for 1 mile above sea level. 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.

This will allow the computer to supply a reference voltage to the map sensor. Map sensor pin c 49 50 not used 51 dk blu 496 ks 1 signal front sensor pin a. The ls1 ls6 ls2 map sensor bottom left is sealed to the intake manifold with a rubber seal. The map sensor used with the ls series engine in the gm trucks bottom middle are functionally the same as the ls1 ls6 ls2 map sensor.

Ict billet wire harness adapter 6 ls gen 3 iii vehicle to gen 4 map sensor ls1 lsa ls3 oem tooling connector lock seals and terminals wamap31 6 5 0 out of 5 stars 4 29 99 29. 5 0 out of 5 stars 2. Holley products for gm s popular ls engine are dominating the ls scene as well. Checking for reference voltage.

The map sensor uses a three wire connector. Turn the ignition key to the on position but don t start the engine. I need to wire a ls3 map pigtal onto my ls1 harness does anyone have the diagram for the ls3. Now holley efi products power these cars and are dominating the performance world.

Formula for the gm 3 bar map sensor is v 8 94 14 53 i have no idea why it s 14 53 and not 14 696 rounds up to 14 7 but it works out on gm s chart every time.