Ls Map Sensor Wiring

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Ls map sensor wiring.

Get it as soon as wed sep 2. Holley products for gm s popular ls engine are dominating the ls scene as well. This will allow the computer to supply a reference voltage to the map sensor. 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 is a discussion on map wiring within the computer tuning forums part of the lsx technical help section category. 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. 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. The map sensor uses a three wire connector.

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. Holley carburetors have powered every nascar cup team and nearly every nhra pro stock champion for four decades. Checking for reference voltage. Now holley efi products power these cars and are dominating the performance world.

You need to identify the signal reference and ground wires using your vehicle repair manual. This sensor is found on 1991 1992 tpi engines and 1992 1997 lt1 engines. 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. Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions.

Function 1 blk 451 pcm ground 2 lt grn 1867 12 volt reference ckp pin c 3 pnk blk 1746 fuel injector 3 control. 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. Aokus for gm ls 3 wire gen 4 map sensor manifold absolute pressure connector plug pigtail ls2 ls3 ls7 lh6 l92 l76 ly2 ly5 ly6 lc9 lfa lh8 lmg l98 l9h l20 l94 lz1 l99 l96 lc8 l77 wpmap40.

5 0 out of 5 stars 2.